1. Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
2. Department of Radiology, Turku University Central Hospital, Medical Imaging Centre of Southwest Finland, Turku, Finland
3. Department of Pediatric Cardiology, Hospital for Children and Adolescents, University of Helsinki, Helsinki, Finland
4. Department of Clinical Physiology, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
5. Department of Pediatrics, University of Tampere and Tampere University Hospital, Tampere, Finland
6. Department of Clinical Physiology, Tampere University Hospital and University of Tampere, Tampere, Finland
7. Fimlab Laboratories and Department of Clinical Chemistry, School of Medicine, University of Tampere, Tampere, Finland
8. Vaasa Central Hospital, Vaasa, Finland
9. Department of Pediatrics, University of Oulu, Oulu, Finland
10. Department of Chronic Disease Prevention, National Institute for Health and Welfare, Turku, Finland
11. Division of Nutrition, Department of Applied Chemistry and Microbiology, University of Helsinki, Helsinki, Finland
12. Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
13. Department of Medicine, University of Turku and Division of Medicine, Turku University Hospital, Turku, Finland
14. Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland