1. American College of Physicians, Philadelphia, Pennsylvania
2. Villanova University, Villanova, Pennsylvania
3. Saint Vincent Hospital-Worcester Medical Center, Worcester, Massachusetts
4. University of Illinois College of Medicine at Urbana-Champaign, Champaign, Illinois
5. Penn Medicine Radnor, Radnor, Pennsylvania
6. Penn Medicine, Philadelphia, Pennsylvania
7. Portland Veterans Affairs Medical Center and Oregon Health & Science University, Portland, Oregon