Varbella, Ferdinando, Cardiology Department, Ospedale degli Infermi, Rivoli TO, Italy Varela Román, Alfonso, HOSPITAL CLINICO UNIVERSITARIO SANTIAGO DE COMPOSTELA Varela-Falcon, Luis H, Instituto de Ciencias del Corazón (ICICOR), Hospital Clínico Universitario de Valladolid, Valladolid, Spain Varga, Albert Varkal, Muhammed Ali Varma, Chetan Varma, Chetan, Sandwell and West Birmingham NHS Trust, City Hospital, Dudley Road, Birmingham, United Kingdom Varol, Ercan, Department of Cardiology, Faculty of Medicine, Suleyman Demirel Univesitesi Tıp Fakultesi, Isparta, Turkey Varol, Mustafa Oguz Vasa-Nicotera, Mariuca Vashchelina, Liza Vassilev, Dobrin Vassilev, Dobrin Iotkov Vassilev, Dobrin Vassiliou, Vassilis Vatankulu, M. Akif Vatankulu, Mehmet Akif, Selcuk University, Meram Medical Faculty Cardiology, Konya, Turkey Vatury, Ori Vavouranakis, Manolis Vavuranakis, Manolis Vazquez Blanco, Manuel, Hospital De Clinicas, Buenos Aires Vázquez Rodríguez, José Manuel Vázquez Rodríguez, José Manuel Vázquez-Díaz, Oscar, Heart Failure Clinic at Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Mexico City, México Vázquez-Díaz, Oscar