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Article History

Received: 7 May 2019

Accepted: 9 December 2019

First Online: 27 December 2019

Ethics approval and consent to participate

: The study was approved by the research ethics committee of the Radboud University Nijmegen Medical Center, case number 2017–3552.In this academic GP practice, all patients have been informed that data from their medical record may be used for research; if they don’t want their data to be used for this, they can opt out. Anonymity was guaranteed. The researcher was, in her role as medical student, part of the general practice team. The research ethic committee applied a combination of 3 Dutch laws regarding privacy and medical anonymity (the Algemene Verordening Gegevensbescherming AVG (), Wet op de Geneeskundige Behandelingsovereenkomst WGBO () and Wet Maatschappelijke Ondersteuning WMO () in the approval process of the study, which included the permission not asking written informed consent.

: Not applicable.

: The authors declare that they have no competing interests.YE is a member of the editorial board (Associate Editor) of this journal, but the editorial board had no role in the editorial process of this manuscript. No support from any organisation for the submitted work.No financial relationships with any organisations that might have an interest in the submitted work.No other relationships or activities that could appear to have influenced the submitted work.