1 Arrhythmia Department, Cardiology, University Hospital of Grenoble Alpes, 38043 Grenoble, France.
2 Department of Cardiology, Cardio Thoracic Vascular Building n23, University of Bologna, S.Orsola-Malpighi Hospital, Via Massarenti 9, 40138 Blogna, Italy.
3 Department of Cardiology, Guy's and St Thomas Hospital Trust, London SE1 1EH, UK.
4 Department of Cardiovascular Surgery, Asklepios Clinic St. Georg, Lohmuehlenstrasse 5, 20099 Hamburg, Germany.
5 Davidal Arrythmia Center, Leviev Heart Center, Sheba Medical Center, Tel Hashomer, Israel.