1. Medicine Institute, Cleveland Clinic, Cleveland, Ohio.
2. Rush Heart Center for Women Division of Cardiology, Rush University Medical Center, Chicago, Illinois
3. WomenHeart, Washington, District of Columbia.
4. Women's Cardiovascular Medicine Program, Division of Cardiovascular Medicine, University of California, Davis, Davis, California.
5. Heart and Vascular Institute, Cleveland Clinic, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio.