1. Ascension Healthcare, Milwaukee, Wisconsin
2. Icahn School of Medicine at Mount Sinai, New York, New York
3. Brigham and Women’s Hospital, Boston, Massachusetts
4. St Luke’s Mid-America Heart Institute, Kansas City, Missouri
5. Smithsonian Institution, Washington, DC
6. University of Southern California, Los Angeles
7. Memorial Care Heart & Vascular Institute, Fountain Valley, California