Koch R, Mahrer-Imhof R, Huber C, Schmid-Mohler G, Fierz K, Zuniga F, et al. Comment on: Chmiel C, et al. Four-year long-term follow-up of diabetes patients after implementation of the Chronic Care Model in primary care. Swiss Med Wkly. 2019;149:w20009. doi:.https://doi.org/10.4414/smw.2019.20009