1. Section of General Internal Medicine Boston University School of Medicine Boston Massachusetts USA
2. Division of General Internal Medicine University of California San Diego School of Medicine San Diego California USA
3. Department of Medicine Dell Medical School, University of Texas Austin Texas USA
4. Harbor Health Medical Group Austin Texas USA
5. Department of Medicine, Division of General Internal Medicine University of California, San Francisco San Francisco California USA
6. Department of Medicine, Division of General Internal Medicine University of Washington School of Medicine Seattle Washington USA