1. Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
2. Department of Internal Medicine, University of Missouri System, Columbia, Missouri
3. Department of Internal Medicine, Ochsner Rush Medical Center, Meridian, Mississippi
4. Department of Internal Medicine, Allegheny General Hospital – Western Pennsylvania Hospital Medical Education Consortium, Pittsburgh, Pennsylvania
5. Department of Internal Medicine, University of Pittsburgh Medical Center Health System, Pittsburgh, Pennsylvania
6. Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
7. Department of Internal Medicine, West Virginia University Health Sciences Center Charleston Division, Charleston, West Virginia