Intersection Medical Inc., Carlsbad, California, United States
North Coast Cardiology, Encinitas, California, United States
Desert Heart, Palm Springs, California, United States
Henry Ford Hospital, Detroit, Michigan, United States
Ohio State University, Columbus, Ohio, United States
Mass General Hospital, Boston, Massachusetts, United States
Wayne State University Hospital, Detroit, Michigan, United States
Vanderbilt University, Nashville, Tennessee, United States