1. Research Unit of Internal Medicine, University of Oulu, Oulu, Finland
2. Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland
3. Finnish Institute for Health and Welfare, Helsinki, Finland
4. FIMM: Institute for Molecular Medicine Finland, Helsinki, Finland
5. Kuopio University Hospital, Kuopio, Finland
6. University of Eastern Finland, Kuopio, Finland
7. North Karelia Central Hospital, Joensuu, Finland
8. University of Turku and Heart Center Turku University Hospital, Turku, Finland