1. Department of Cardiology, Thorax Center, Erasmus Medical Center, Rotterdam, The Netherlands
2. Department of Cardiology, Sint Franciscus Gasthuis, Kleiweg 500, BA Rotterdam, The Netherlands
3. Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, Ontario, Canada
4. Department of Medical Science, Uppsala University and Uppsala Clinical Research Centre, Uppsala, Sweden
5. Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada
6. University of British Columbia, Vancouver, British Columbia, Canada
7. Skåne University Hospital, Lund University, Lund, Sweden
8. University Clinic of Cardiology, Sts. Cyril and Methodius University, Skopje, Macedonia
9. Department of Cardiology, Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
10. Department of Cardiology, Södra Grev Rosengatan, Örebro University, Faculty of Health, Örebro, Sweden