• Cleveland Clinic.
• Mayo Clinic, Rochester, Minn.
• Smidt Heart Institute at Cedars-Sinai, Los Angeles.
• New York-Presbyterian Hospital-Columbia and Cornell, N.Y.
• Massachusetts General Hospital, Boston.
• UCSF Medical Center, San Francisco
• UCLA Medical Center, Los Angeles
• Cedars-Sinai Medical Center, Los Angeles
• Stanford Health Care-Stanford Hospital, Stanford, Calif.
• New York-Presbyterian Hospital-Columbia and Cornell, N.Y.

Hope this helps!