1. Division of Hospital Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor
2. Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
3. Patient Safety Enhancement Program, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
4. Division of Infectious Diseases, Department of Internal Medicine, St Joseph Mercy Health System, Ann Arbor, Michigan
5. Division of Infectious Diseases, Department of Internal Medicine, Henry Ford Hospital, Detroit, Michigan