1. University Heart Center Lübeck, Medical Clinic II, Department of Cardiology, Angiology and Intensive Care Medicine, Germany (C.-H.H., A.G., K.-H.K., R.R.T.).
2. Asklepios Klinik St. Georg, Hamburg, Germany (C.-H.H., A.M., K.-H.K.).
3. German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany (C.-H.H., R.R.T.).
4. Herz-und Diabeteszentrum NRW, Bad Oeynhausen, Germany (C.S., P.S.).
5. Department of Cardiology, University of Ulm, Germany (A.P., T.D.).
6. Asklepios Klinik Harburg, Hamburg, Germany (A.M.).
7. University Heart Center Hamburg, Germany (A.M.).
8. Japanese Red Cross Saitama Hospital, Saitama, Japan (O.I.).
9. München Klinik Bogenhausen und Schwabing, Klinik für Kardiologie und Internistische Intensivmedizin, München, Germany (F.S.).
10. Ludwig-Maximilians-University, Faculty Munich University Clinic, Germany (F.S.).
11. Kerckhoff Klinik, Bad Nauheim, Germany (M.K.).
12. Mercy General Hospital and Dignity Health Heart and Vascular Institute, Sacramento, CA (A.A.).
13. Tsuchiura Kyodo Hospital, Ibaraki, Japan (S.M.).
14. Department of Cardiology, Division of Arrhythmia and Electrophysiology, University of Health Sciences, Ankara City Hospital, Turkey (S.C.).
15. St. Josefs-Hospital, Wiesbaden, Germany (J.R.E.).
16. Department of Cardiology and Angiology, Bergmannsheil University Hospitals, Ruhr University of Bochum, Germany (I.E.-B.)
17. Ordensklinikum Linz Elisabethinen, Austria (M.M.).
18. Department of Cardiology, University Heart Center Zurich, University Hospital Zurich, Switzerland (A.M.S.).
19. Charité Campus Benjamin Franklin, Berlin, Germany (V.T.).
20. İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Turkey (K.Y.).
21. Herzzentrum Bad Bevensen, Germany (E.L.).
22. University of Arizona, Phoenix (W.S.).
23. Helsicore, Israeli-Georgian Medical Research Clinic, Tbilisia (G.P.).
24. Critical care department Cairo University, Cairo, Egypt (M.S.N.B.).
25. Department of Cardiology, Johns Hopkins University, Baltimore (A.G.).
26. Cardiology and Arrhythmology Clinic, Department of Biomedical Sciences and Public Health, University Hospital “Umberto I-Lancisi-Salesi”, Marche Polytechnic University, Ancona, IT, Italy (A.G.).
27. Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom (R.P.).
28. Division of Cardiology, University of Illinois at Chicago (E.W.).
29. Department of Cardiovascular Medicine, Fukushima Medical University, Japan (M.K.).
30. Universitätsklinik Düsseldorf, Abteilung für Kardiologie, Germany (H.M.).
31. Hamamatsu University School of Medicine, Japan (T.U.).
32. Kocaeli Derince Training and Research, Turkey (T.A.).
33. CCB/Med. Klinik III, Kardiologie, Markuskrankenhaus, Frankfurt am Main, Germany (J.K.R.C.).
34. Arrhythmia and Electrophysiology Unit, Department of Cardiology, Hacettepe University, Ankara, Turkey (K.A.).
35. Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Zabrze, Poland (E.J.-P.).
36. LANS Cardio, Hamburg, Germany (K.-H.K.).
37. Universität zu Köln, Abteilung für Elektrophysiologie, Köln, Germany (D.S.).
38. University Hospital Graz, Austria (D.S.).