1. Arrhythmia Unit, Cardiology Service, General University Hospital Consortium of Valencia, 46014 Valencia, Spain
2. School of Medicine, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, Spain
3. Department of Cardiology, Hospital Universitario de Tarragona Joan XXVIII, 43005 Tarragona, Spain
4. Hospital IMED, 46100 Valencia, Spain
5. John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA 70121, USA
6. Glorieta Policlinic, 03700 Denia, Spain
7. Cardiology Service, Hospital HCB Benidorm, 03501 Benidorm, Spain
8. Emergency Room Department, General University Hospital Consortium of Valencia, 46014 Valencia, Spain
9. Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA