Received: 11 December 2019
Accepted: 19 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: All practices gave permission to extract data from the EMRs for research purposes and informed their patients who could object to the use of their data. Written informed consent of patients was not required for this observational study based on de-identified data from EMRs of a large number of patients. This study was performed according to the Code of Conduct for Health Research (2004), which has been approved by the Data Protection Authorities for conformity with the applicable Dutch privacy legislation. Ethical approval for this study was asked for and waived by the local Medical Research Ethics Committee Arnhem/Nijmegen (file number 2019–5515).
: Not applicable.
: The authors declare that they have no competing interest.