1. Department of Cardiology, Heart Diseases Institute, Hospital de Bellvitge; IDIBELL, University of Barcelona; Barcelona Spain
2. Department of Cardiology, Thorax Institute; Hospital Clinic, University of Barcelona; Barcelona Spain
3. Department of Cardiology; Hospital Virgen de la Arrixaca; Murcia Spain
4. Department of Cardiology, Cardiovascular Institute; Hospital Clínico San Carlos; Madrid Spain
5. Endocrine Unit, Hospital de Bellvitge; IDIBELL, CIBERDEM, University of Barcelona; Barcelona Spain
6. Department of Cardiology; Hospital la Princesa; Madrid Spain
7. Department of Cardiology, Erasmus MC; Thoraxcenter; Rotterdam the Netherlands