1. Internal Medicine, Instituto Maimónides de Investigación Biomédica de Córdoba, University Hospital Reina Sofía, 14004, Córdoba, Spain
2. Servicio de Cardiología, Hospital la Paz de Madrid, 28046, Madrid, Spain
3. Internal Medicine, University Hospital of Badajoz, 06080, Badajoz, Spain
4. Internal Medicine, University Hospital of Gran Canaria Dr Negrín, 35010, Gran Canaria, Spain
5. Internal Medicine, University Hospital Virgen Macarena, University of Sevilla, 41009, Sevilla, Spain
6. Department of Internal Medicine, Instituto Ramón y Cajal de Investigación Sanitaria, University Hospital Ramón y Cajal, University of Alcalá, 28034, Madrid, Spain
7. Internal Medicine Department, Hospital Universitari de Bellvitge, 08907, Barcelona, Spain
8. Servicio de Medicina Interna, Hospital Royo Villanova Zaragoza, 50015, Zaragoza, Spain
9. Servicio de Medicina Interna, Hospital Vega Baja, Orihuela, 03314, Alicante, Spain
10. Servicio de Medicina Interna, Hospital Universitario Central de Asturias, 33011 Oviedo, Asturias, Spain
11. Internal Medicine, University Hospital of Getafe, 28905, Madrid, Spain