1. Department of Medicine, Lincoln Medical Center , Bronx, NY , USA
2. Department of Cardiology and Clinical Research, University Hospital , Bern , Switzerland
3. Division of Cardiology, Mount Sinai Medical Center, Icahn School of Medicine , New York, NY , USA
4. Division of Cardiology, San Francisco General Hospital, and the Department of Medicine, University of California , San Francisco, CA , USA
5. Leon H. Charney Division of Cardiology, New York University Langone Medical Center , New York City, NY , USA
6. Department of Medicine, Stanford University School of Medicine , CA , USA
7. Division of Cardiovascular Medicine, New York University Grossman School of Medicine , New York, NY , USA