Institution: | 1. Department of Cardiology, Cardiovascular Clinical Institute, Arrhythmia Unit, Hospital Clinic, Universitat de Barcelona, Barcelona, Catalonia, Spain;2. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain;3. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain |