Castano, Mario, Sbraga, Fabrizio, Perez de la Sota, Enrique, Arribas, Jose M., Luisa Camara, M., Voces, Roberto, Donado, Alicia, Sandoval, Elena, Morales, Carlos A., Gonzalez-Santos, Jose M., Barquero-Aleman, Miguel, Fletcher-San Feliu, Delfina, Rodriguez-Roda, Jorge, Molina, Daniel, Bellido, Andre, Vigil-Escalera, Carlota, Tena, M. Angeles, Reyes, Guillermo, Gomez, Felix, Rivas, Jorge, Guevara, Audelio, Tauron, Manel, Miguel Borrego, Jose, Castillo, Laura, Miralles, Albert, Canovas, Sergio, Berastegui, Elisabet, Aramendi, Jose, I, Aldamiz, Gonzalo, Pruna, Robert, Silva, Jacobo, Saez de Ibarra, Jose I., Legarra, Juan J., Ballester, Carlos, Rodriguez-Lecoq, Rafael, Daroca, Tomas, Paredes, Federico, [Castano, Mario] Hosp Univ Leon, Serv Cirugia Cardiaca, Leon, Spain, [Castillo, Laura] Hosp Univ Leon, Serv Cirugia Cardiaca, Leon, Spain, [Sbraga, Fabrizio] Hosp Univ Bellvitge, Serv Cirugia Cardiaca, Lhospitalet De Llobregat, Spain, [Miralles, Albert] Hosp Univ Bellvitge, Serv Cirugia Cardiaca, Lhospitalet De Llobregat, Spain, [Perez de la Sota, Enrique] Hosp Univ 12 Octubre, Serv Cirugia Cardiaca, Madrid, Spain, [Arribas, Jose M.] Hosp Clin Univ Virgen de la Arrixaca, Serv Cirugia Cardiovasc, Murcia, Spain, [Canovas, Sergio] Hosp Clin Univ Virgen de la Arrixaca, Serv Cirugia Cardiovasc, Murcia, Spain, [Luisa Camara, M.] Hosp Badalona Germans Trias & Pujol, Serv Cirugia Cardiaca, Badalona, Spain, [Berastegui, Elisabet] Hosp Badalona Germans Trias & Pujol, Serv Cirugia Cardiaca, Badalona, Spain, [Voces, Roberto] Hosp Cruces, Serv Cirugia Cardiaca, Baracaldo, Spain, [Aramendi, Jose, I] Hosp Cruces, Serv Cirugia Cardiaca, Baracaldo, Spain, [Donado, Alicia] Fdn Jimenez Diaz, Serv Cirugia Cardiaca, Madrid, Spain, [Aldamiz, Gonzalo] Fdn Jimenez Diaz, Serv Cirugia Cardiaca, Madrid, Spain, [Donado, Alicia] Hosp Univ Rey Juan Carlos, Serv Cirugia Cardiaca, Mostoles, Spain, [Aldamiz, Gonzalo] Hosp Univ Rey Juan Carlos, Serv Cirugia Cardiaca, Mostoles, Spain, [Sandoval, Elena] Hosp Univ Clin Barcelona, Serv Cirugia Cardiovasc, Barcelona, Spain, [Morales, Carlos A.] Hosp Univ Cent Asturias, Serv Cirugia Cardiaca, Area Gest Clin Corazon, Oviedo, Spain, [Pruna, Robert] Hosp Univ Cent Asturias, Serv Cirugia Cardiaca, Area Gest Clin Corazon, Oviedo, Spain, [Silva, Jacobo] Hosp Univ Cent Asturias, Serv Cirugia Cardiaca, Area Gest Clin Corazon, Oviedo, Spain, [Gonzalez-Santos, Jose M.] Complejo Asistencial Univ Salamanca, Serv Cirugia Cardiaca, Salamanca, Spain, [Barquero-Aleman, Miguel] Hosp Univ Virgen Macarena, Serv Cirugia Cardiovasc, Seville, Spain, [Fletcher-San Feliu, Delfina] Hosp Univ Son Espases, Serv Cirugia Cardiaca, Palma De Mallorca, Spain, [Saez de Ibarra, Jose I.] Hosp Univ Son Espases, Serv Cirugia Cardiaca, Palma De Mallorca, Spain, [Rodriguez-Roda, Jorge] Hosp Univ Ramon y Cajal, Serv Cirugia Cardiaca, Madrid, Spain, [Molina, Daniel] Hosp Alvaro Cunqueiro, Serv Cirugia Cardiaca, Vigo, Spain, [Legarra, Juan J.] Hosp Alvaro Cunqueiro, Serv Cirugia Cardiaca, Vigo, Spain, [Bellido, Andre] Hosp Univ Miguel Servet, Serv Cirugia Cardiaca, Zaragoza, Spain, [Ballester, Carlos] Hosp Univ Miguel Servet, Serv Cirugia Cardiaca, Zaragoza, Spain, [Vigil-Escalera, Carlota] Hosp Univ Vall Hebron, Serv Cirugia Cardiaca, Barcelona, Spain, [Rodriguez-Lecoq, Rafael] Hosp Univ Vall Hebron, Serv Cirugia Cardiaca, Barcelona, Spain, [Tena, M. Angeles] Hosp Dr Negrin, Serv Cirugia Cardiaca, Las Palmas Gran Canaria, Spain, [Paredes, Federico] Hosp Dr Negrin, Serv Cirugia Cardiaca, Las Palmas Gran Canaria, Spain, [Reyes, Guillermo] Hosp Univ La Princesa, Serv Cirugia Cardiaca, Madrid, Spain, [Gomez, Felix] Complejo Hosp Navarra, Serv Cirugia Cardiaca, Pamplona, Spain, [Rivas, Jorge] Hosp Univ Quironsalud Madrid, Serv Cirugia Cardiaca, Pozuelo De Alarcon, Spain, [Guevara, Audelio] Hosp Univ & Politecn La Fe, Serv Cirugia Cardiaca, Valencia, Spain, [Tauron, Manel] Hosp Santa Creu & Sant Pau, Serv Cirugia Cardiaca, Barcelona, Spain, [Miguel Borrego, Jose] Hosp Univ Puerta Mar, Serv Cirugia Cardiaca, Cadiz, Spain, [Daroca, Tomas] Hosp Univ Puerta Mar, Serv Cirugia Cardiaca, Cadiz, Spain, and [Paredes, Federico] Hosp Univ Virgen del Rocio, Serv Cirugia Cardiaca, Seville, Spain