Institution: | 1. Division of Cardiology, Spedali Civili Hospital, Brescia, Italy;2. Division of Cardiac Surgery, University of Brescia Medical School, Brescia, Italy;3. University of Catania, PO Ferrarotto, Catania, Italy;4. Clinical Research, Biotronik Italia, Milano, Italy;5. Cardiac Surgery Department, L.U.de.S. University, Lugano, Switzerland |