1. New York Medical College, Valhalla, NY, USA
2. Rowan-Virtua School of Osteopathic Medicine, Stratford, NJ, USA
3. Department of Medicine, MedStar Union Memorial Hospital, Baltimore, MD, USA
4. Tufts University School of Medicine, Boston, MA, USA
5. Department of Cardiology, Westchester Medical Center, Valhalla, NY, USA
6. Department of Cardiology, Westchester Medical Center and Department of Medicine, New York Medical College, Valhalla, NY, USA
7. Atlantic Health, Morristown Medical Center, Morristown, NJ, USA