1. Klinik für Kardiologie und Rhythmologie, Evangelisches Krankenhaus Hagen-Haspe , Brusebrinkstraße 20, 58135 Hagen , Germany
2. School of Medicine, Witten/Herdecke University , Alfred-Herrhausen-Straße 50, 58455 Witten , Germany
3. Division of Medical Sciences in Zabrze, Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Silesian Center for Heart Diseases Zabrze, The Medical University of Silesia , Zabrze , Poland
4. Division of Cardiology, Department of Medicine, Medical University of Graz , Auenbruggerplatz 15, 8036 Graz , Austria
5. Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+ , Maastricht , The Netherlands
6. Division of Cardiology, Cardiocentro Ticino , Lugano , Switzerland
7. II Department of Heart Arrhythmia, National Institute of Cardiology , Warsaw , Poland
8. Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, CIBERCV, University of Murcia , Murcia , Spain
9. Arrhythmia Unit, Cardiology Department, CIBER-CV and IDIS Foundation, University Hospital of Santiago de Compostela , Compostela , Spain
10. Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac , Kragujevac , Serbia
11. Clinic for Cardiology, University Clinical Center Kragujevac , Kragujevac , Serbia
12. School of Medicine, University of Belgrade , Beograd , Serbia
13. Cardiology Clinic, Clinical Centre of Serbia , Belgrade , Serbia