1. Department of Cardiology, Odense University Hospital, J.B. Winsløws Vej 4, 5000, Odense C, Denmark
2. University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, The Netherlands
3. Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Winsløwparken 19, 5000, Odense C, Denmark