1. Department of Internal Medicine, Michigan Medicine , Ann Arbor, MI , USA
2. Department of Medicine, St. Joseph Mercy Ann Arbor Hospital , Ypsilanti, MI , USA
3. Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Colorado , Aurora, Colorado, USA
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Michigan Medicine , Ann Arbor, MI , USA
5. Taubman Health Sciences Library, University of Michigan , Ann Arbor, Michigan , USA
6. VA Center for Clinical Management Research, VA Ann Arbor Health Care System , Ann Arbor, MI , USA
7. Institute for Healthcare Policy and Innovation, University of Michigan , Ann Arbor, MI , USA