University of California, San Francisco (UCSF) - Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco (UCSF) - Department of Epidemiology and Biostatistics, Immunalysis, University of California, San Francisco (UCSF) - Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco (UCSF), University of Washington - Department of Global Health, University of Washington - Department of Global Health, University of Washington - Department of Global Health, Jomo Kenyatta University of Agriculture and Technology, University of California, San Francisco (UCSF) - Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF) - Department of Bioengineering and Therapeutic Sciences, Immunalysis and Immunalysis