1. Cardiology Department, Hospital Universitario Severo Ochoa, Leganés, Spain
2. Cardiology Department, Hospital Virgen Macarena, Sevilla, Spain
3. Internal Medicine Department, Hospital Universitario Central de Asturias, Oviedo, Spain
4. Cardiology Department, Hospital Clínico Universitario de Valencia; Universidad de Valencia, INCLIVA, CIBER Cardiovascular, Valencia, Spain
5. Cardiology Department, Hospital de Sant Pau, CIBERCV, Barcelona, Spain
6. Internal Medicine Department, Hospital Clínico Universitario Lozano Blesa, University of Zaragoza, Zaragoza, Spain
7. Cardiology Department, Hospital Universitari de Bellvitge, IDIBELL, CIBER-CV, Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain
8. Cardiology Department, Hospital San Juan de la Cruz, Úbeda, Spain
9. Cardiology Department, Hospital La Paz, Madrid, Spain