1. Wellbeing services county of North Savo, Educational services, Finland
2. Institute of Public Health and Clinical Nutrition, General Practice, University of Eastern Finland, Kuopio, Finland
3. Siilinjärvi Health Center, Siilinjärvi, Finland
4. Folkhälsan Research Center, Helsinki, Finland
5. Department of Medicine, Kuopio University Hospital, Finland
6. Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
7. Terveystalo Health Services, Kuopio, Finland
8. Clinical Research and Trials Centre, Kuopio University Hospital, Kuopio, Finland