1. Cardioangiologisches Centrum Bethanien , Markus Krankenhaus, Wilhelm-Epstein-Straße 4, Frankfurt am 60431 , Germany
2. Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel , Av. du Laerbeek 101, 1090 Bruxelles , Belgium
3. Clinique Pasteur, Heart Rhythm Department , 45 Avenue de Lombez - BP 27617 - 31076 TOULOUSE, 31300 Toulouse , France
4. INSERM - Rue Lebalnc 56 , Paris 75015 , France