1 Department of Cardiology and Pneumology, Heart Center, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany.
2 DZHK (German Center for Cardiovascular Research), Partner Site Göttingen, Robert-Koch-Str. 42a, 37075 Göttingen, Germany.
3 Department of Medical Statistics, University Medical Center Göttingen, Humboldtallee 32, 37073 Göttingen, Germany.
4 Department of Internal Medicine, Medical Research Center, Oulu University Hospital, University of Oulu, PO Box 8000, 90570 Oulu, Finland; 5National Heart and Lung Institute, Imperial College, Dovehouse Street, London SW36LY, UK.
5 Department of Cardiovascular Sciences, University Hospitals of Leuven, Herestraat 49, 3000 Leuven, Belgium.