1. Cardiology Department, Hospital Ramón y Cajal, Madrid, Spain
2. Vascular Surgery Department, Hospital General Vall d´Hebron, Barcelona, Spain
3. Cardiology Department, Hospital Arnau de Vilanova, Valencia, Spain
4. Cardiology Department, Hospital Sant Pau, Barcelona, Spain
5. Internal Medicine Department, Hospital Universitari de Bellvitge-IDIBELL, Universitat de Barcelona, Barcelona, Spain
6. Cardiology Department, Hospital Virgen Macarena, Sevilla, Spain
7. Internal Medicine Department, Hospital Marqués de Valdecilla-IDIVAL, Universidad de Cantabria, Santander, Spain
8. Department of Surgery, Hospital Clinico de Salamanca, Salamanca, Spain
9. Cardiology Department, Hospital Clinico Universitario de Santiago de Compostela, CIBERCV, Santiago de Compostela, Spain
10. Internal Medicine Department, Hospital Universitario de la Princesa, Universidad Autónoma de Madrid, Madrid, Spain