1. Division of Innate and Comparative Immunology, Center for Human Systems Immunology, Duke University, School of Medicine, Durham, North Carolina, USA.
2. Department of Surgery, Duke University, School of Medicine, Durham, North Carolina, USA.
3. Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, New York, USA.
4. Hawaii Center for AIDS, University of Hawaii, Honolulu, Hawaii, USA.