1. Columbia University Medical Center, Columbia University Division of Cardiology at Mount Sinai Medical Center , Miami Beach, FL 33140, USA
2. Department of Cardiac Surgery, University of Michigan , Ann Arbor, MI, USA
3. Clinical Trials Center, Cardiovascular Research Foundation , New York, NY, USA
4. NewYork-Presbyterian Hospital/Columbia University Medical Center , New York, NY, USA
5. Department of Cardiology, Sahlgrenska University Hospital , Gothenburg, Sweden
6. Division of Cardiology, Medical University of South Carolina , Columbia, SC, USA
7. Los Robles Regional Medical Center , Thousand Oaks, CA, USA
8. Bakersfield Heart Hospital , Bakersfield, CA, USA
9. Division of Cardiology, University of Virginia , Charlottesville, VA, USA
10. Kaiser Permanente—San Francisco Hospital , San Francisco, CA, USA
11. Intermountain Heart Center , Salt Lake City, UT, USA
12. Division of Cardiovascular Medicine, The Ohio State University , Columbus, OH, USA
13. Advanced Heart Failure and Cardiac Transplantation Section, Vanderbilt Heart and Vascular Institute , Nashville, TN, USA
14. Baylor Scott & White Health , Plano, TX, USA
15. The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai , New York, NY, USA