1. Department of General Practice/Family Medicine (CAPHRI Institute), Maastricht University, Maastricht, the Netherlands
2. Faculty of Medicine and Health Technology, and Centre of General Practice, Tampere University Hospital, Tampere University, Tampere, Finland
3. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, and Clinical Research and Trials Centre, Wellbeing Services County of North Savo, Kuopio, Finland
4. Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
5. Faculty of Medicine and Health Technology, Centre of General Practice, Tampere University Hospital, Tampere, Finland