1. Regional Cardiology Associates and Dignity Health Heart & Vascular Institute; Sacramento California USA
2. Sunnybrook Health Sciences Centre; University of Toronto; Ontario Canada
3. Division of Cardiac Electrophysiology; Staten Island University Hospital; Staten Island New York USA
4. Department of Cardiothoracic Surgery; CHI Baylor St. Luke's Medical Center; Texas Heart Institute; Houston Texas USA
5. Aurora Denver Cardiology Associates; Aurora Colorado USA
6. Division of Cardiac Electrophysiology; University of Colorado; Denver Colorado USA
7. Hoag Hospital, Newport Beach; CA and University of California Irvine Medical Center; Orange California USA
8. Instituto de Pesquisa em Arritmia Cardiaca (IPAC); Hospital Cardiologico-Florianopolis; Florianopolis South Carolina Brazil