Text and Data Mining valid from 2019-12-01
Received: 14 October 2019
Accepted: 29 November 2019
First Online: 14 December 2019
Ethics approval and consent to participate
: The Medical Ethics Review Committee of Maastricht University Medical Centre waived formal review because the Medical Research Involving Human Subjects Act (WMO) does not apply (reference number 2017–0064). All participating GPs were informed of the aims of this survey, informed consent was not necessary.
: Not applicable.
: The authors declare that they have no competing interests.