1. Department of Cardiology, Heidelberg University Hospital , Im Neuenheimer Feld 410, 69120 Heidelberg , Germany
2. Heidelberg Center for Cardiac Arrhythmias, Heidelberg University Hospital , Im Neuenheimer Feld 410, 69120 Heidelberg , Germany
3. Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht , P. Debyelaan 25, 6229 HX Maastricht , The Netherlands
4. Centre for Heart Rhythm Disorders, Royal Adelaide Hospital, Cardiology 4G751-769, The University of Adelaide , Port Rd, SA 5000 , Australia
5. Faculty of Health and Medical Sciences, University of Copenhagen , Blegdamsvej 3B, 2200 Copenhagen N , Denmark
6. Department of Cardiology, Zealand University Hospital , Sygehusvej 10, 4000 Roskilde , Denmark