Koechlin H, Locher C, Carlander M, Kossowsky J, Woerner A, Dratva J. Estimating the prevalence of paediatric chronic pain in Switzerland: an online survey among paediatricians. Swiss Med Wkly [Internet]. 2022 Jun. 6 [cited 2024 Apr. 18];152(2324):w30194. Available from: https://smw.ch/index.php/smw/article/view/3215