1. Division of Infectious Diseases, Georgetown University Medical Center, Washington, District of Columbia, USA.
2. Department of Neurology and John Hopkins University School of Medicine, Baltimore, Maryland, USA.
3. Department of Epidemiology, and John Hopkins University School of Medicine, Baltimore, Maryland, USA.
4. Department of Psychiatry, John Hopkins University School of Medicine, Baltimore, Maryland, USA.
5. Department of Oral and Maxillofacial Surgery, College of Dentistry, New York University, New York, New York, USA.
6. Bluestone Center for Clinical Research, College of Dentistry, New York University, New York, New York, USA.
7. School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA.
8. Division of Infectious Diseases, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA.
9. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine and Grady Healthcare System, Atlanta, Georgia, USA.
10. School of Medicine and UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
11. Cook County Health/Hektoen Institute of Medicine, Chicago, Illinois, USA.
12. Department of Neurology, State University of New York-Downstate Health Sciences University, Brooklyn, New York, USA.
13. Department of Medicine, Montefiore Medical Center, Bronx, New York, USA.
14. Department of Neurology, Georgetown University Medical Center, Washington, District of Columbia, USA.