Sandubete, Enrique Calderón Sanecka, Agnieszka, Department and Clinic of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology, Warsaw, Poland Sanetra, Krzysztof Sanetra, Krzysztof (Poland) Sanfilippo, Filippo Sanmartín, Marcelo Sanmartin, Marcelo Sanmartín Fernández, Marcelo Sanmartín Fernández, Marcelo Sanmartín-Fernández, Marcelo Sanmartín-Fernández, Marcelo Sanromán, Maria Ascensión Santangeli, Pasquale, Texas Cardiac Arrhythmia Institute at St. Davis Medical Center, Austin, Texas Santarsieri, Anna Santoliquido, Angelo Santoro, Francesco Santos, Hélder Santos, João Santos, Mariana Santos Gonzalez, Belen Santos Martínez, Sandra Sanz-Ruiz, Ricardo Saporito, Francesco Saracoglu, Erhan, Gaziantep Ersin Arslan Education and Research Hospital, Gaziantep, Turkey sarcoma, Primary left ventricular cardiac, 1st Department of Cardiology, University of Athens Medical School, Hippokration Hospital, Athens, Greece