[1] Vanderbilt Univ, Sch Med, Div Cardiovasc Med & Clin Pharmacol, Nashville, TN 37232 USA
[2] Stanford Univ, Dept Med, Stanford, CA 94305 USA
[3] Brown Univ, Sch Med, Cardiol Div, Providence, RI 02912 USA
[4] Cooper Univ Hosp, Electrophysiol & Arrhythmia Serv, Camden, NJ USA
[5] Rowan Univ, Cooper Med Sch, Clin Cardiac Electrophysiol Fellowship Program, Camden, NJ USA