1 Department of Immunology and Infectious Diseases, Harvard T H Chan School of Public Health, Boston, MA 02115, USA; Botswana Harvard AIDS Institute Partnership, Princess Marina Hospital, Bontleng, Gaborone, Botswana. Electronic address: [email protected].
2 Department of Immunology and Infectious Diseases, Harvard T H Chan School of Public Health, Boston, MA 02115, USA; Botswana Harvard AIDS Institute Partnership, Princess Marina Hospital, Bontleng, Gaborone, Botswana.
3 Department of Immunology and Infectious Diseases, Harvard T H Chan School of Public Health, Boston, MA 02115, USA; Massachusetts General Hospital, Boston, MA, USA; Botswana Harvard AIDS Institute Partnership, Princess Marina Hospital, Bontleng, Gaborone, Botswana.
4 Department of Immunology and Infectious Diseases, Harvard T H Chan School of Public Health, Boston, MA 02115, USA; Brigham and Women's Hospital, Boston, MA, USA; Botswana Harvard AIDS Institute Partnership, Princess Marina Hospital, Bontleng, Gaborone, Botswana.