1 Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: Bram.Geller@uphs.upenn.edu.
2 Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
3 Samuel and Jean Frankel Cardiovascular Center, Division of Cardiovascular Medicine, Department of Medicine, University of Michigan, Ann Arbor, Michigan. Electronic address: https://twitter.com/ShashankSinhaMD.