Received: 14 March 2019
Accepted: 20 June 2019
First Online: 28 June 2019
Ethics approval and consent to participate
: This study was approved by the Danish Data Protection Agency (2016-41-4768) and the Danish Committee of Multipractice Studies in General Practice (MPU-20-2016). According to Danish law, no ethical approval was needed for this study.All participating GPs provided a written consent to participate in this study. All data was anonymized and only CAA and MBJ had access to the Key-file connecting participants ID numbers to participant data.
: Not applicable
: The authors report no competing interests.