1. Division of CardiologyUniversity of Utah Health Salt Lake City Utah
2. Advocate Illinois Masonic Medical Center Chicago Illinois
3. Department of Cardiovascular DiseasesMount Sinai St. Luke's Hospital New York New York
4. Geisinger Medical Center Danville Pennsylvania
5. Reid Heart CenterFirst Health of the Carolinas Pinehurst North Carolina
6. Cardiovascular DivisionKnight Cardiovascular Institute, Oregon Health & Sciences University Portland Oregon
7. Cardiology DivisionUniversity of Texas Health Science Center Houston Texas