1. Lenox Hill Hospital, North Shore LIJ Health System, New York, NY, United States
2. St. John Hospital and Medical Center, Wayne State University Medical School, Detroit, MI, United States
3. Virginia Commonwealth University Medical Center Department of Cardiology, Alabama, United States
4. Birmingham Veterans Affairs Medical Center, University of Alabama at Birmingham, Birmingham, Alabama, United States
5. Mount Sinai Medical Center, Icahn School of Medicine at Mount Sinai, New York, NY, United States