1. The Research Unit for General Practice and Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
2. Primary Health Care Research Unit, Region Zealand, Denmark
3. The Research Unit for General Practice, Department of Social Medicine, University of Tromsø, Tromsoe, Norway
4. Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
5. Department of People and Technology, Roskilde University, Roskilde, Denmark