1. Department of Medicine, Kuopio University Hospital, Kuopio, Finland
2. Department of Physiology, University of Kuopio, Kuopio, Finland
3. Department of Public Health and General Practice, University of Kuopio, Kuopio, Finland
4. Research Institute of Public Health, University of Kuopio, Kuopio, Finland
5. Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, Louisiana
6. Department of Epidemiology, University of Michigan, Ann Arbor, Michigan
7. Kuopio Research Institute of Exercise Medicine, Kuopio, Finland
8. Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland