1. Department of Clinical and Molecular Medicine, Sapienza University of Rome , Via di Grottarossa, 1035/103900189 Roma , Italy
2. Department of Cardiology, Columbia University Medical Center , 622 West 168th Street, Presbyterian Hospital Building PH-3, New York, NY 10032 , USA
3. Kardiologie I, Center for Cardiology, University Medical Centre Mainz and DZHK Standort Rhein-Main , Langenbeckstr 1, 55131 Mainz , Germany