Casamassima, Vito Casas-Rojo, Eduardo, Ramón y Cajal University Hospital Casella, Michela, Cardiac Arrhythmia Research Centre, Centro Cardiologico Monzino IRCCS, Milan, Italy Cassese, Salvatore Castejón Navarro, Borja Castiglioni, Paolo Castillo, Javier G., Mount Sinai School of Medicine Castillo, Juan C. Castillo, Lilia Castillo-Martínez, Lilia Castro, Eliodoro, Instituto de Corazon de Queretaro Castro, Humberto, Instituto Mexicano del Seguro Social, T1 Leon Guanajuato Castro, Juan M. Castro-Beiras, Alfonso Castro-Mejía, Alex F. Castro-Mejia, Alex Fernando Castrodeza, Javier, Cardiology Department, Hospital Clínico Universitario de Valladolid, Valladolid, Spain Castrodeza, Javier Casula, Claudia, Emergency Medicine and Chest Pain Unit, Department of Critical Care Medicine and Surgery, Careggi University Hospital, Florence, Italy. Catala, Pablo Catalano, Maria Paula, Coronary Unit Care. Hospital Aleman. Buenos Aires. Argentina. Caterino, Anna Laura Cavalcante, Joao Cavalcante, João L. Cavalheiro, Esper A.