1. Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
2. Department of Population Medicine, Harvard Medical School, Harvard Pilgrim Health Care Institute, Boston, Massachusetts
3. Duke Center for Antimicrobial Stewardship and Infection Prevention, Duke University School of Medicine, Durham, North Carolina
4. Department of Medicine, Washington University School of Medicine at St Louis, St Louis, Missouri
5. Department of Medicine, Duke University School of Medicine, Durham, North Carolina
6. Division of Hospital Medicine, Emory University School of Medicine, Atlanta, Georgia
7. Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia