1. Division of Cardiovascular Medicine, Cardiac Arrhythmia Center, Clinica Las Vegas Grupo Quiron Salud Universidad CES Medellin Colombia
2. Universidad CES School of Medicine Medellin Colombia
3. Division of Cardiovascular Medicine, Cardiac Arrhythmia Center, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
4. Division of Cardiovascular Medicine, Cardiac Arrhythmia Center, VA Boston Healthcare System Harvard Medical School Boston Massachusetts USA