1 Cardiovascular Medicine Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania; Penn Cardiovascular Outcomes, Quality & Evaluative Research Center, University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: Jay.Giri@uphs.upenn.edu.
2 Cardiovascular Medicine Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania; Penn Cardiovascular Outcomes, Quality & Evaluative Research Center, University of Pennsylvania, Philadelphia, Pennsylvania.