1. Pirkanmaa Hospital District, Tampere, Finland.
2. Faculty of Medicine, Institute of Health Sciences, University of Oulu, Oulu, Finland.
3. Unit of General Practice, Oulu University Hospital, Oulu, Finland.
4. Department of Internal Medicine, Seinäjoki Central Hospital, Seinäjoki, Finland.
5. National Institute for Health and Welfare, Helsinki, Finland.
6. Department of Medicine, Kuopio University Hospital, Kuopio, Finland.
7. Unit of Family Practice, Central Finland Health Care District, Jyväskylä, Finland.
8. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio Campus, Kuopio, Finland.
9. Research Unit, Kuopio University Hospital, Kuopio, Finland.
10. Center for Vascular Prevention, Danube-University Krems, Krems, Austria.
11. Instituto de Investigacion Sanitaria del Hospital Universario LaPaz (IdiPAZ), Madrid, Spain.
12. Diabetes Research Group, King Abdulaziz University, Jeddah, Saudi Arabia.