1. Department of Cardiology Asklepios Klinik St Georg Hamburg Germany
2. Hospital Clinic University of Barcelona Spain
3. Medtronic, Inc Minneapolis MN
4. Cardioangiologisches Centrum Bethanien Frankfurt Germany
5. Cardiologie Générale, Interventionnelle – Rhythmologie Clinique Pasteur Toulouse France
6. Heart Rhythm Center Centro Cardiologico Monzino Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Milan Italy
7. Department of Clinical Sciences and Community Health University of Milan Milan Italy
8. Department of Arrhythmia Services Johns Hopkins Medical Institutions Baltimore MD