1. Division of Cardiology, St Luke’s-Roosevelt Hospital Center of the Mount Sinai Health System, New York, New York
2. Division of Pulmonology and Critical Care, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
3. Institute for Heart, Vascular, and Stroke Care, Massachusetts General Hospital, Boston
4. Division of Cardiovascular Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. Division of Cardiology, Texas Tech University, El Paso
6. Division of Cardiology, University of Texas Southwestern Medical Center, Dallas