1. Department of Medicine, Georgetown University-WHC, Washington, DC
2. Department of Medicine, University of Miami/Jackson Memorial Hospital, Miami, Florida
3. Sanger Heart & Vascular Institute, Atrium Health, Charlotte, North Carolina
4. Division of Cardiology, Department of Medicine, Ahmanson/UCLA Adult Congenital Heart Disease Center and UCLA Children’s Heart Center, UCLA, Los Angeles, California
5. Indiana Heart Physicians, Franciscan Physician Network, Indianapolis, Indiana