Russell D Rosenberg1, Pravin V Patil2. 1. Section of Cardiology, Department of Medicine, Lewis Katz School of Medicine at Temple University, 9th Floor Parkinson Pavilion, 3401 N. Broad Street, Philadelphia, PA, 19140, USA. 2. Section of Cardiology, Department of Medicine, Lewis Katz School of Medicine at Temple University, 9th Floor Parkinson Pavilion, 3401 N. Broad Street, Philadelphia, PA, 19140, USA. pravin.patil@tuhs.temple.edu.