Institution: | 1. Cardiology Department, Cardiocentro Ticino, Lugano, Switzerland;2. AMIS Plus Data Centre, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland;3. Unità Operativa Complessa di Cardiologia, Barone Romeo Hospital, Patti, Italy;4. Internal Medicine Department, Hirslanden Klinik St. Anna, Luzern, Switzerland;5. Cardiology Department, Cantonal Hospital St. Gallen, St. Gallen, Switzerland |