1. Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia, USA.
2. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia, USA.
3. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.
4. Grady Health System, Atlanta, Georgia, USA.
5. Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA.
6. Emory National Primate Research Center, Atlanta, Georgia, USA.