1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
2. Department of Neurology, State of New York Downstate Health Sciences University, Brooklyn, NY, USA
3. Department of Medicine, Division of Infectious Diseases, Georgetown University, Washington, DC, USA
4. Department of Medicine, Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Fl, USA
5. Department of Medicine, UNC School Division of Medicine, The Infectious Diseases, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
6. Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
7. Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
8. Department of Medicine, University of California, San Francisco and Department of Veterans Affairs, San Francisco, CA, USA
9. Department of Epidemiology, Fielding School of Public Health, UCLA, Los Angeles, CA, USA
10. Schools of Nursing, Public Health and Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
11. Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA, USA
12. Department of Infectious Diseases and Microbiology, Department of Pathology, University of Pittsburgh, Pittsburgh, PA, USA
13. Department of Medicine, CORE Center/Stroger Hospital of Cook County, Chicago, IL, USA
14. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
15. Department of Epidemiology, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA