1. University of Chicago Pritzker School of Medicine, University of Chicago, Chicago, Illinois, USA
2. Department of Medicine, University of Chicago Pritzker School of Medicine, University of Chicago, Chicago, Illinois, USA
3. Department of Pathology, University of Chicago Pritzker School of Medicine, University of Chicago, Chicago, Illinois, USA
4. Department of Medicine, Division of Infectious Diseases, NorthShore University HealthSystem, Evanston, Illinois, USA
5. Department of Pathology and Laboratory Medicine, Division of Microbiology, NorthShore University HealthSystem, Evanston, Illinois, USA
6. Department of Infection Control, NorthShore University HealthSystem, Evanston, Illinois, USA
7. Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA