1. Internal Medicine Department, Hospital Universitario Ramón y Cajal, IRYCIS , Madrid , Spain
2. Department of Medicine and Medical Specialties, Facultad de Medicina y Ciencias de la Salud, Universidad de Alcalá, IRYCIS , Madrid , Spain
3. Cardiology Department, Hospital Clínico Universitario, Universitat de València, INCLIVA , Valencia , Spain
4. CIBER Cardiovascular , Madrid , Spain
5. Nephrology Department, Hospital Universitario Ramón y Cajal , Madrid , Spain