Government of the United States of America - Division of Global HIV & TB, Center for Global Health (Nigeria), Government of Kenya - Kenya Ministry of Health, Center for Global Health (Nigeria), Kenya Medical Research Institute (KEMRI), Government of the United States of America - Division of Global HIV & TB, Government of Kenya - Kenya Ministry of Health, Center for Global Health (Nigeria), Center for Global Health (Nigeria), Government of the United States of America - National Cancer Institute, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Division of Global HIV & TB, Ministry of Public Health and Population - National Laboratory of Public Health, Government of the United States of America - Division of Global HIV & TB, Government of the United States of America - Division of Viral Hepatitis (DVH), Government of Kenya - Kenya Ministry of Health and Government of the United States of America - Division of Global HIV & TB