1. Cardiology Service Hospital Universitario San Juan de Alicante Alicante Spain
2. Clinical Medicine Department Universidad Miguel Hernández Alicante Spain
3. Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV) Madrid Spain
4. Cardiology Service Hospital General Universitario de Valencia Valencia Spain
5. Cardiology Service Hospital Clínico Universitario, INCLIVA Valencia Spain
6. Department of Medicine Universitat de València Valencia Spain
7. Heart Failure Unit, Cardiology Service Hospital Universitari Germans Trias i Pujol Barcelona Spain
8. Department of Medicine Autonomous University of Barcelona Barcelona Spain