Received: 19 October 2018
Accepted: 17 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: The study received approval from the Danish Data Protection Agency (2012-41-0223). No approval from the Regional Scientific Ethical Committees for Southern Denmark was needed according to Danish legislation. Participation in the study was recommended by the Danish College of General Practice (Committee of Multipractice Studies). Moreover, answers to the questionnaire was anonymous to everyone except the research group.The GPs were, in writing, informed about the content of the study, that participation was voluntarily, and that their answers would be treated confidentially. By answering the questionnaire, the GPs consented to participate in the study.
: Not applicable.
: All authors declare that they have no competing interests.