Manuel Martinez-Sellés1, Leonel Diaz-Gonzalez2, Alejandro Lucia3. 1. Cardiology Department, Hospital Universitario Gregorio Marañón, CIBERCV, Universidad Europea. Universidad Complutense, Madrid, Spain. 2. Cardiology Department, CEMTRO Clinic, Madrid, Spain. 3. Faculty of Sport Sciences, European University and Research Institute Hospital 12 de Octubre ('imas12') , Madrid, Spain.