| Affiliation: | 1. Research Center of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland;2. Department of Clinical Physiology and Nuclear Medicine, HUS Medical Imaging Center, Helsinki University Central Hospital, Helsinki, Finland;3. Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland;4. Heart Center, Turku University Hospital, University of Turku, Turku, Finland;5. Department of Clinical Physiology, Tampere University Hospital, University of Tampere, Tampere, Finland;6. Department of Clinical Physiology, Kuopio University Hospital, University of Eastern Finland, Kuopio, Finland;7. Fimlab Laboratories, Department of Clinical Chemistry, School of Medicine, University of Tampere, Tampere, Finland;8. Children's Hospital University, University Central Hospital Helsinki, Helsinki, Finland;9. Department of Medicine, University of Turku, Turku, Finland;10. Division of Medicine, Turku University Hospital, Turku, Finland;11. Murdoch Children's Research Institute, Parkville, Vic., Australia;12. Vaasa Central Hospital, Vaasa, Finland;13. Department of Pediatrics, University of Oulu, Oulu, Finland;14. Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands |
