Original article

Physicians’ experience with follow-up care of childhood cancer survivors – challenges and needs

DOI: https://doi.org/10.4414/smw.2017.14457
Publication Date: 13.07.2017
Swiss Med Wkly. 2017;147:w14457

Michel Giselaa, Gianinazzi Micol E.a, Vetsch Janinea, Mader Luziusa, Lupatsch Judith E.b, von der Weid Nicolas X.c, Rueegg Corina S.ad

a Department of Health Sciences and Health Policy, University of Lucerne, Switzerland

b Institute of Social and Preventive Medicine, University of Bern, Switzerland

c Department of Paediatric Oncology and Haematology, University Children’s Hospital Basel (UKBB), Switzerland

d Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Norway

Summary

BACKGROUND

Regular follow-up care is essential for childhood cancer survivors, but we know little about physicians’ experience with it. We aimed to describe: (1) involvement of Swiss physicians in follow-up care; (2) content of follow-up care provided; (3) problems encountered; and (4) additional resources needed.

MATERIALS AND METHODS: Within this cross-sectional survey we sent adapted questionnaires via professional associations to a sample of medical oncologists (MOs), paediatric oncologists (POs), general practitioners (GPs) and paediatricians (P) in Switzerland. Only oncologists involved in follow-up care were asked to report problems. GPs and Ps not involved in follow-up could indicate why. All physicians were asked about the content of follow-up care provided and additional resources needed.

RESULTS

A total of 183 physicians responded (27 MO, 13 PO, 122 GP, 21 P). Involved in follow-up were 81% of MOs, 85% of POs, 39% of GPs and 81% of Ps. Follow-up content differed between oncologists (MO and PO) and generalists (GP and P), with generalists examining or informing less in regard to the former cancer. POs reported more problems than MOs: many POs reported problems with transition of survivors to adult care (91%), and because of financial resources (73%) and time restraints (73%). MOs reported most problems during transition (23%). Not being aware of a survivor was the most common reason for GPs and Ps not participating in follow-up (74%). All groups reported a need for standardised protocols (85–91%) and specialised training (55–73%). GPs (94%) and Ps (100%) additionally desired more support from oncologists.

CONCLUSIONS

To improve quality and efficiency of follow-up care a national follow-up care model including standardised protocols and guidelines needs to be developed.

Keywords: childhood cancer survivors, adolescent and young adult cancer survivors, follow-up care, physicians, general practitioners, questionnaire survey

Introduction

Childhood cancer survivors are former patients who were diagnosed with cancer before the age of 15 years and have survived at least 5 years after diagnosis [1]. An adolescent and young adult (AYA) cancer survivor is defined as a former patient diagnosed between 15 and 39 years of age who survived at least 5 years after diagnosis [1].

High-quality, standardised follow-up care (regular medical check-ups to identify and treat late adverse outcomes early, and advice on health behaviour) of childhood and AYA cancer survivors will be a public health concern for two main reasons. First, there is an increasing population of childhood and AYA cancer survivors thanks to improvements of treatment in past decades [2]. The population of childhood cancer survivors was estimated to be 379 112 in the United States in 2010 [3] and 4902 in Switzerland in 2015 (including only Swiss residents diagnosed at age 0–14 years) [4]. Second, these survivors are at increased risk for developing late effects of the cancer and the treatments received [5, 6]. A recent study estimated that 95.5% of childhood cancer survivors suffered from any chronic health condition and 80.5% from a serious or life-threatening chronic condition by the age of 45 years [7].

Because of this increasing population with special medical needs, many international groups advocate systematic, risk-stratified and evidence-based long-term follow-up care for childhood and AYA cancer survivors, and specific recommendations have been published [812]. This is important to prevent, or detect early, cancer recurrence, second malignancies and other health and psychosocial problems due to the cancer or its treatment [1]. However, systematic implementation of these recommendations is still lacking in most countries, including Switzerland, and loss to follow-up of survivors remains a major problem [1316].

In developed countries, about 1 in 500 young adults between the age of 20 and 39 years is estimated to be a childhood cancer survivor [2, 3, 17]. It is therefore essential that at some stage, not only specialists such as paediatric and medical oncologists, but also primary care physicians such as paediatricians and general practitioners (GPs), are involved in the follow-up care of childhood and AYA cancer patients [3, 1820]. This will help to reduce the financial burden and preserve specialists’ valuable time for care of acute cancer patients. To develop such efficient models of follow-up care including specialists and generalists, the experience and needs of involved stakeholders (physicians, survivors, parents of survivors) need to be assessed. Whereas the view of survivors and parents has been investigated in the past [2129], we still know little about the perception of physicians and their involvement in follow-up care [30]. Only three studies involved healthcare professionals’ view and only one of these included GPs [3133]. The studies suggested greater nurse and primary care involvement, risk-stratified follow-up care, transition to adult care, increase in psychosocial support and model-based follow-up care as future directions to be pursued [30].

We therefore investigated: (1) the involvement of physicians from different specialities in follow-up care of childhood and AYA cancer survivors; (2) the content of the follow-up care they provide; (3) the problems they encountered; and (4) additional resources they would need to provide optimal care.

Materials and methods

The Childhood Cancer Follow-Up Study (CCFU)

The CCFU is a nested project of the population-based Swiss Childhood Cancer Survivor Study (SCCSS), which had the overall aim of investigating the long-term effects of childhood cancer and its treatment [34]. The CCFU is a questionnaire survey with the specific aim of gaining in-depth knowledge on preferences and needs for the organisation of follow-up care of childhood cancer survivors in Switzerland [35]. For this purpose, relevant stakeholders (survivors, survivors’ parents, physicians) were contacted with questionnaires. This paper evaluates the questionnaire to physicians sent between 2011 and 2012.

Sample and procedure

We included four groups of physicians frequently involved in follow-up care in Switzerland: medical oncologists, paediatric oncologists, GPs and paediatricians. Medical oncologists and paediatric oncologists were considered specialists (oncologists), GPs and paediatricians generalists (primary care physicians). We developed adapted, semistructured questionnaires for each group (see appendix 1 for a translated version of all the questions used in the current study, provided in separate download file). The questionnaire to the generalists was short and included 17 questions; the questionnaire to the specialists had additional more detailed questions on follow-up care, ending up with 32 items.

We used different strategies to contact the physicians depending on the availability of and access to databases of physicians in the respective specialty and individual contact information. Medical oncologists received an e-mail with the study invitation and a link to an online survey from the Swiss Society of Medical Oncology (n = 241). From the Swiss Paediatric Oncology Group we received a list with all paediatric oncologists in Switzerland (n = 40). They were contacted from the study centre by e-mail with the study invitation and a link to the online survey. To contact GPs and paediatricians, we used an address list of all members of the Hausärzte Schweiz: Berufsverband der Haus- und Kinderärztinnen Schweiz (Swiss Professional Association of General Practitioners and Paediatricians), which unites the Swiss Society of General Practitioners (SGAM), the Swiss Society of General Internal Medicine (SGIM) and the Swiss Society of Paediatrics (SSP). We received 6312 addresses and drew a random sample of 700 German- and 300 French-speaking physicians (reflecting the proportion of the Swiss and German speaking population of Switzerland), using the STATA (version 13.1; College Station, TX) command to draw random samples without replacement. In addition, we contacted the GPs (n = 114) of survivors who provided the name and address of their doctor (and consent to contact them) in an earlier questionnaire of the Swiss Childhood Cancer Survivor Study [34]. The GPs and paediatricians were contacted by mail and sent a paper-based questionnaire. They could also complete the questionnaire online if preferred.

Questions on follow-up care

We assessed the following information to describe physicians’ (1) involvement in, (2) content of, (3) problems with, and (4) needs for optimal follow-up care of, childhood and AYA cancer survivors (appendix 1). First, we asked all physicians to report any experience with childhood (diagnosed at age ≤15years) and AYA (diagnosed at age 16–25years) cancer patients and whether they were involved in follow-up care. Second, we asked all physicians who were involved in follow-up care, which types of cancer they follow up and what services they routinely provide in their follow-up care. Third, to assess problems in the provision of follow-up care, we asked generalists who were not involved in follow-up to indicate the reasons why; we asked oncologists who were involved in follow-up to report the problems they encountered on the patient level and on the institution level. Fourth, we asked all physicians who were involved in follow-up, what additional resources they would need to provide optimal care.

Other information assessed

We assessed physicians’ age at the time of the study, time since specialisation, sex, work situation (hospital; private practice; both) and work setting (urban; rural).

Statistical analyses

Statistical analysis was performed with STATA version 13.1. We performed complete case analysis. We used means and range or numbers and proportions to describe the study population, overall and stratified by specialisation (medical oncologists, paediatric oncologists, GPs, paediatricians). To address aim 1, we used numbers and proportions to describe the involvement of physicians in follow-up care of childhood and AYA cancer survivors, overall and stratified by specialisation. We calculated p-values comparing all four specialisations using univariable logistic regression (if the variable of interest was binary) or univariable multinomial logistic regression (if the variable of interest had more than two categories). Chi-square statistics were used for comparisons within specialists and generalists. For aim 2, we used numbers and proportions to describe the content of follow-up care stratified by specialisation. Chi-square statistics were used to compare the content of follow-up care between the medical specialisations. For aims 3 and 4, we used numbers, proportions and 95% confidence intervals to describe the problems encountered, reasons for not engaging in follow-up care and additional resources needed for optimal care, all stratified by medical specialisation.

Results

Study Population

Out of the 1395 physicians contacted, 183 (13%) responded. Of those 183, 27 (15%) were medical oncologists, 13 (7%) paediatric oncologists, 122 (67%) GPs and 21 (12%) paediatricians (table 1). The mean age of the physicians at the time of the study was 54.3 years (range 33–81), mean time since specialisation 20.1 years (range 1–52), and 76% were male. The working situation differed between specialisations (p <0.001), with all paediatric oncologists and half of the medical oncologists working exclusively in a hospital, whereas the generalists mainly worked in private practices. The work setting also differed (p = 0.010), with oncologists working almost exclusively in urban areas (92% of medical oncologists and 100% of paediatric oncologists), compared with 69% GPs and 85% paediatricians.

Table 1

Characteristics of physicians who participated in the study.

 Total
(n = 183)
Medical oncologists
(n = 27)
Paediatric oncologists
(n = 13)
General practitioners*
(n = 122)
Paediatricians
(n = 21)
p-value
 MeanRangeMeanRangeMeanRangeMeanRangeMeanRange
Age at study (years)54.333–8153.739–6950.240–8154.833–7454.643–680.339
Time since specialisation (years)20.11–5218.85–3115.74–5220.71–4420.87–370.345
 n%n%n% %n% 
Sex           
Male13976.02177.8969.29577.91466.7 
Female4424.0622.2430.82722.1733.30.658§
Work situation           
Hospital3016.91555.61310021.700 
Own or group practice13575.8414.80011396.61885.7 
Both137.3829.60021.7314.3<0.001
Work location           
Urban12822.92492.3121007569.41785.0 
Rural3877.127.7003330.6315.00.010§
Involved in FU care of child/AYA cancer survivors           
Yes9853.62281.51184.64839.31781.0 
No8546.4518.5215.47460.7419.0<0.001§

AYA = adolescent and young adult; FU = follow-up
* general practitioners including general internists (n = 41) and other specialists (n = 10)
† p-value from univariable linear regression models
‡ column percentages are given based on available number for each variable
§ p-value from univariable logistic regression models
¶ p-value from univariable mutinomial logistic regression models
‖ survivors of a cancer diagnosed ≤25 years of age

Involvement in follow-up care

Overall, 22 (82%) medical oncologists, 11 (85%) paediatric oncologists, 48 (39%) GPs, and 17 (81%) paediatricians had been involved in follow-up care of young cancer survivors (table 1). Among specialists, 4 (15%) medical oncologists and 11 (85%) paediatric oncologists were involved in follow-up care of childhood cancer survivors (p<0.001; table 2). Twenty-two (82%) medical oncologists and 10 (77%) paediatric oncologists were involved in follow-up of AYA cancer survivors (p = 0.736). Among generalists, 16 (13%) GPs and 8 (38%) paediatricians were currently involved in follow-up care of childhood cancer survivors (p = 0.005), and 21 (17%) and 1 (5%) in follow-up of AYA cancer survivors (p = 0.144).

Table 2

Physicians’ experience with childhood, adolescent and young adult cancer patients and their follow-up care.

 Medical oncologists
(n = 27)
Paediatric oncologists
(n = 13)
General practitioners
(n = 122)
Paediatricians
(n = 21)
p-value
 n%*n%*n%*n%*
Experience with cancer patients in general (only oncologists)    n.a.n.a.n.a.n.a. 
Inpatient treatment of new patients1970.31292.3    0.219
Outpatient treatment of new patients2488.81184.6    0.217
FU care ≤5 years since diagnosis2281.51292.3    0.681
FU care 5-10 years since diagnosis2281.51292.3    0.681
Long-term follow-up care ≥10 years since diagnosis1659.31076.9    0.416
Other experience with cancer patients27.4323.1    0.192
Experience with follow up care of cancer patients (only oncologists)    n.a.n.a.n.a.n.a. 
FU care childhood cancer414.81184.6    <0.001
FU care AYA cancer2281.51076.9    0.736
FU care adult cancer2488.9430.8    <0.001
No experience311.5215.4    0.735
Experience with childhood/AYA cancer (only generalists)n.a.n.a.n.a.n.a.     
Ever diagnosed a childhood/AYA cancer patient    3327.11571.4<0.001
Involved in FU care >2 years ago    3327.11466.7<0.001
Currently involved in FU care of childhood cancer    1613.1838.10.005
Currently involved in FU care of AYA cancer    2117.214.80.144
Other experience with childhood/AYA cancer    1814.8523.80.297
No experience with childhood/AYA cancer    7561.514.8<0.001

AYA = adolescents and young adults; FU = follow up; n.a. = not applicable.
* more than one answer was possible, the proportion who answered with “yes” in each question is given
† p-value calculated from chi-square statistics
‡ different questions were asked based on the specialisation of the physicians (appendix 1)

Content of follow-up care

The types of cancers included in follow-up care differed between the specialisations (all p-values comparing the prevalence of each diagnosis between the medical specialisations ≤0.002, fig. 1). Most medical oncologists followed up survivors of lymphoma (n = 20, 95% of 22 medical oncologists involved in follow-up). Paediatric oncologists followed up survivors of all types of cancer, except breast cancer. Most GPs reported following up survivors of leukaemia (n = 27, 56% of 48 GPs), lymphoma (n = 17, 35%) and germ cell tumours (n = 16, 33%). Paediatricians mostly saw survivors of leukaemia (n = 15, 88% of 17 paediatricians) and germ cell tumours (n = 14, 82%) for follow-up care.

fullscreen
Figure 1
Types of cancer in follow-up care of different medical specialists.
The values in the figure bars and values in the bars represent the number of physicians (N) who provide follow-up care to persons who suffered from each type of cancer, stratified by medical specialisation. The p-values from chi-square statistics for each type of cancer, comparing the four medical specialists, were p <0.001 for leukaemias, lymphomas, central nervous system (CNS) tumours, bone tumours, germ cell tumours, breast cancers, Langerhans cell histiocytosis, and p = 0.002 for soft tissue sarcomas.

In general, oncologists, independent of whether medical or paediatric, offered follow-up care of similar content (all p-values >0.300; fig. 2). The content of follow-up provided by GPs and paediatricians was also comparable (5 out of 8 p-values >0.05). However, follow-up care provided by oncologists differed significantly from the care provided by generalists (all p <0.05, except for information on health behaviours). Compared with generalists, more oncologists examined survivors for relapse, second tumours and late somatic effects, and informed them about their former disease, former treatment and possible late effects. Differences were less pronounced for the examination of psychological late effects; counselling on healthy behaviour did not differ between oncologists and generalists.

fullscreen
Figure 2
Content of follow-up care provided by different medical specialists.
The figure bars represent the proportion of physicians who provide the respective service within follow-up care, stratified by medical specialisation. The numbers below the bars indicate p-values from chi-square statistics comparing medical specialists: medical oncologists vs paediatric oncologists; general practitioners vs paediatricians; and both oncologist combined vs both generalist combined.
Light colour = “yes, all patients”; medium colour = “yes, if necessary”; dark colour = “no”
GP = general practitioners; LE = late effects; MO = medical oncologists; PO = paediatric oncologists; P = paediatricians; psychol. = psychological

Problems encountered and reasons for not engaging in follow-up care

Generalists could indicate reasons for not engaging in follow-up care (total n = 78; fig. S1 in appendix 2). Most stated that they were not aware of survivors needing follow up (n = 58, 74% of 78). Other reasons were that paediatric (n = 40, 51%) or medical (n = 39, 50%) oncologists were taking care of these patients; or not having enough experience to provide follow-up care (n = 22, 28%).

Oncologists who were involved in follow-up care were asked to indicate problems they encountered (fig. 3). Overall, more paediatric than medical oncologists reported problems. The most frequent problem for paediatric oncologists (n = 11) on the patient level was that survivors did not understand the need for follow-up (73%, n = 8). On the institution level they reported problems with transitioning patients to adult care (91%, n = 10), lack of time and financial resources (both 73%, n = 8), and lack of specialised nurses (64%, n = 7). Medical oncologists (n = 22) reported, on the patient level, that childhood cancer survivors often wish not to transfer to adult oncologists (23%, n = 5), and found the distance between home and clinic too long (18%, n = 4). On the institution level, they reported problems with transitioning patients (23%, n = 5) and lack of specialised nurses (18%, n = 4).

fullscreen
Figure 3
Problems with follow-up care reported by medical and paediatric oncologists.
The bars and values at the end of the bars represent the proportion (%) of physicians who confirmed to have the respective problem, with 95% confidence intervals (indicated by the horizontal lines).
Light blue = paediatric oncologists (n = 11); dark blue = medical oncologists (n = 22)
CC = childhood cancer; FU = follow up

Additional resources needed for optimal care

In all four groups of specialisation, most physicians reported that they desired standardised protocols and guidelines (85–91% variation between groups; fig. 4), followed by the need for specific training (55–73%). Paediatric oncologists additionally wished for more financial resources (91%). GPs and paediatricians would appreciate support from the treating oncologist (94% of GPs and 100% of paediatricians) and a referral report from the oncologist (98% GPs and 100% paediatricians).

fullscreen
Figure 4
Additional resources desired by physicians to provide optimal follow-up care, stratified by medical specialisation.
The results are stratified by type of medical specialisation. The bars and values at the top of the bars represent the proportion (%) of physicians who confirmed to desire the respective resource, with 95% confidence intervals. *The corresponding question was put only to medical and paediatric oncologists. **The corresponding question was put only to general practitioners and paediatricians.
Dark blue = medical oncologists (n = 22); light blue = paediatric oncologists (n = 11); Pink = general practitioners (n = 48); orange = paediatricians (n = 17)

Discussion

We found that, among our responders, most medical and paediatric oncologists, as well as paediatricians, have been involved in follow-up care of young cancer survivors, but less than half of GPs reported doing so. The types of cancer diagnoses seen, as well as the content of follow-up care provided, differed between oncologists and generalists. All physicians, independent of their specialisation stated the need for standardised protocols and guidelines (85-91%). GPs and paediatricians also desired more support from the treating oncologists (94 and 100%, respectively) and a referral report with the medical history and recommendations for follow up (98 and 100%, respectively).

A major strength of our study is that we assessed the opinion of different medical specialists at the same time and with similar questions (some adaptions between specialisations were necessary). This allowed us to compare directly the experiences, problems and needs of different medical specialists regarding follow up of childhood and AYA cancer survivors. We put a lot of effort into different mailing strategies in order to contact all members or a random sample of the respective medical speciality. This was rather difficult in Switzerland, because no national registry with all active physicians exists. The questionnaire focussed explicitly on follow-up care, therefore many in-depth questions could be asked.

This study also has limitations. Because we had no access to a database of active physicians with contact information, we had to send most of our questionnaires via professional associations. We therefore do not know how many physicians really received our questionnaire and we were not able to send reminders to increase response, which makes it difficult to judge the representativeness of our sample. In our study, physicians involved in follow-up might have been more interested in responding to the questionnaire. Therefore, our results might not reflect the true participation of Swiss physicians in follow-up care of childhood and AYA cancer survivors. Because we have no information on nonresponders we cannot tell how selection bias might have affected the results. However, most of our results focus on physicians who are involved in follow-up care, and we think that these results are less prone to selection bias. Also, the different contact strategies might have affected the response behaviour: physicians might be more reluctant to answer a general e-mail from the medical association than a personally addressed letter. However, research on selection and response bias has shown that a low response rate does not necessarily introduce response bias [36, 37]. In a methodological study, Groves and colleagues explained this phenomenon by the fact that every person is potentially either a responder or a nonresponder, depending on various characteristics and circumstances, and nonresponse bias may cancel out across subgroups [36, 37]. Finally, because we stratified our results by specialisation and because Switzerland is a small country, we ended up with small numbers of oncologists.

Follow-up care of the growing population of childhood cancer survivors will become a public health concern [2, 3, 5, 7]. It is therefore important to provide high-quality and cost-effective care for this population with increased medical needs [3841]. A model of care including not only specialists but also primary care physicians might prevent over- or undertreatment of survivors and thereby reduce loss to follow up [4244]. Our results showed that GPs and paediatricians are involved in follow-up care of childhood and AYA cancer survivors. For optimal care, however, they need standardised protocols and guidelines, support from the treating oncologist and a referral letter including the medical history of the patient and recommendations for follow-up. Similar results were found by Nathan and colleagues, where 85% of the contacted US and Canadian family physicians desired support of the oncologist or follow-up guidelines [45]. Also, Blaauwbroek and colleagues reported that GPs from the northern Netherlands were willing to participate in follow-up care of childhood cancer survivors if adequate guidelines and medical information were provided, and communication lines between the paediatric oncologists and GPs were clear [46].

This need for support and guidelines might reflect uncertainty of generalists about care for childhood cancer survivors. In our study, 28% of generalists stated that they did not provide follow-up care owing to lack of experience. Other studies reported the same lack of knowledge among primary care physicians regarding health problems of survivors, optimal surveillance and provision of information [33, 45]. A recent study found that, among a random sample of specialists for internal medicine, most reported being uncomfortable with the care of childhood cancer survivors and unfamiliar with available guidelines [47]. This lack of knowledge among GPs and paediatricians might be reflected in our study in the content of follow-up care they provided, which differed from the services of oncologists. GPs and paediatricians examined mostly general physical and mental health and informed patients about health behaviours rather than cancer-specific issues.

To overcome these problems, we have various suggestions that could be implemented in Switzerland or other countries with a similar healthcare system in order to develop a shared-care model including oncologists and generalists. Generalists need to be educated and provided with guidelines sufficiently to feel comfortable in examining and discussing cancer-related issues. This was tried in a pilot project and proved effective in terms of feasibility and interest of primary care physicians [43]. One specialised primary care physician for a certain catchment area might be able to provide adequate follow-up care for all survivors in the area and involve other specialists if needed.

Furthermore each survivor should receive a personal survivorship care plan, a so called “survivorship passport” [48]. This personalised passport contains important information about the cancer-specific diagnoses, treatments and follow-up care recommendations [49, 50]. The specified follow-up tasks can then be adopted by either specialists or primary care physicians based on their competencies. Thanks to the survivorship passport, the tasks can be efficiently organised and loss to follow-up, as well as overtreatment, of survivors can be reduced. The passport is advocated by Childhood Cancer Switzerland, PanCare (Pan-European Network for Care of Survivors after Childhood and Adolescent Cancer) and ENCCA (European Network for Cancer Research in Children and Adolescents) and is planned to be introduced in Swiss hospitals in autumn 2017 [49, 50].

Conclusion

In Switzerland, many physicians, except GPs, reported being involved in follow-up of childhood and adolescent cancer survivors. To improve quality and efficiency of follow-up, care a national model including standardised protocols and guidelines needs to be developed in accordance with international efforts to standardise follow-up care.

Acknowledgements

We thank the physicians for participating in our survey and the study team of the Childhood Cancer Follow-Up Study (Fabienne Liechti, Anna Hohn, Philip Laeuppi).

Financial disclosure

This study was supported by the Swiss National Science Foundation (Ambizione Fellowship grant PZ00P3_121682/1 and PZ00P3_141722 to GM; project grant: 100019_153268/1). CSR has received funding from the European Union Seventh Framework Programme (FP7-PEOPLE-2013-COFUND) under grant agreement n° 609020 - Scientia Fellows.

Competing interests

No conflict of interest stated for any of the authors.

Correspondence

Corina S. Rueegg, PhD, Department of Health Sciences and Health Policy, University of Lucerne, Frohburgstrasse 3, CH - 6002 Lucerne, c.s.rueegg[at]medisin.uio.no

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Appendix 1

Translated English version of the questions

This appendix is provided as a separate file for downloading at: https://smw.ch/en/article/doi/smw.2017.14457/

Appendix 2

Supplemental figure

fullscreen
Figure S1
Reasons for not engaging in follow-up care (general practitioners and paediatricians).
The bars represent the proportion of physicians (%), with 95% confidence intervals; the values in the bars represent the number of physicians who confirmed the respective reason.
AYA = adolescent and young adult; CC = childhood cancer; FU = follow-up

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