1. Department of Cardiovascular Diseases, University Hospitals Leuven, University of Leuven, Herestraat 49, Leuven, Belgium
2. Department of Cardiovascular Diseases, Faculty of Medicine, Suez Canal University, km 4.5 Ring road, Ismailia, Egypt
3. Department of Internal Medicine and Gastroenterology, Clinical Emergency Hospital, University of Medicine and Pharmacy ‘Carol Davila’, Bucharest, Romania
4. Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
5. Department of Cardiology, Oslo University Hospital, Oslo, Norway
6. Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Silesian Center for Heart Diseases, Silesian University of Medicine, Silesia, Poland
7. Klinik für Innere Medizin und Kardiologie, St. Vinzenz Hospital, Cologne, Germany
8. Cardiovascular Center Aalst, OLV Clinic, Aalst, Belgium
9. Department of Cardiology, Clinical Hospital Centre Zemun, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
10. Department of Circulation and Imaging, Faculty of Medicine, NTNU, Norwegian University of Science and Technology and Clinic of Cardiology, St. Olavs Hospital, Trondheim, Norway
11. Department of Cardiology, Heart and Diabetes Centre of North-Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany