1 Department of Physiology, Faculty of Medicine, University of Valencia and INCLIVA Biomedical Research Institute, Av. Blasco Ibañez, 15 46010 Valencia, Spain.
2 Glorieta Policlinic and REMA Sports Cardiology Clinic, Partida Madrigueres Sud, 9, 03700 Dénia, Alicante, Spain.
4 John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, 1514 Jefferson Highway, New Orleans, LA 70121, USA.