1. Department of Cardiology, Turku Heart Centre, Turku University Hospital and University of Turku, Turku, Finland
2. Department of Radiology, The Medical Imaging Centre of Southwest Finland, Turku University Hospital, Turku, Finland
3. Department of Medical Physics, Turku University Hospital, Turku, Finland
4. Department of Radiology, Central Hospital of Northern Karelia, Joensuu, Finland
5. Radiation and Nuclear Safety Authority, Helsinki, Finland
6. Department of Radiology, Imaging Centre, Kuopio University Hospital, Kuopio, Finland
7. Department of Radiology, Vaasa Central Hospital, Vaasa, Finland
8. Department of Biostatistics, University of Turku
9. Department of Medical Imaging, Central Finland Health Care District, Jyväskylä, Finland
10. Department of Internal Medicine, Division of Cardiology, Oulu University Hospital, Oulu, Finland
11. Department of Cardiology, Cardiology Division, Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland
12. Department of Cardiology, Heart Hospital, Tampere University Hospital, Tampere, Finland and Faculty of Medicine and Life Sciences, University of Tampere, Finland
13. Department of Biomedicine, Institute of Biomedicine, University of Turku, Turku, Finland