1. Cardiac Arrhythmia Center, Division of Cardiology, Department of Medicine, Montefiore-Einstein Center for Heart and Vascular Care, Albert Einstein College of Medicine , 111 E 210th street, Bronx, NY 10467 , USA
2. Cardiology Department, Clínica Las Americas , Medellín , Colombia
3. VA Boston Healthcare System, Division of Cardiology, Harvard Medical School , Boston, MA , USA
4. Cardiology Department, Universidad CES , Medellín , Colombia
5. Texas Cardiac Arrhythmia Institute, St David’s Medical Center , Austin, Texas , USA