1. Department of Cardiology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria IIS-IP, Universidad Autónoma de Madrid, CIBER-CV, C/Diego de León 62, Madrid 28006, Spain
2. Department of Cardiology, Nordsjaelland Hospital and Alborg University Hospital, Department of Public Health, Copenhagen University, Denmark
3. Department of Quantitative Health Sciences, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL 32224, USA
4. Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
5. Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy