1. Heart Center, Department of Cardiology, Amsterdam UMC, Location AMC, University of Amsterdam , Amsterdam , The Netherlands
2. FEHRA, Arrhythmia Unit, University Hospital Careggi, EP Lab , Largo Brambilla 3 , 50134 Florence, Italy
3. FEHRA, Department of Cardiology and Intensive Care Medicine, St Vincenz Hospital , Paderborn , Germany
4. FEHRA, Hannover Heart Rhythm Center, Department of Cardiology and Angiology, Hannover Medical School , Hannover , Germany
5. FEHRA, Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center , Maastricht , The Netherlands
6. FEHRA, Cardiology—Heart Rhythm Management Department, Clinique Pasteur , Toulouse , France
7. FEHRA, CCB, Cardiology, Med. Klinik III, Markuskrankenhaus , Frankfurt , Germany
8. FEHRA, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital Huddinge , Stockholm , Sweden