1. Georgetown University, Washington, District of Columbia;
2. Division of Global Health Protection, Center for Global Health, US Centers for Disease Control and Prevention (US CDC), Nairobi, Kenya;
3. Centre for Global Health Research, Kenya Medical Research Institute, Nairobi, Kenya;
4. Muhimbili Research Centre, National Institute of Medical Research, Dar es Salaam, Tanzania;
5. Muhimbili University of Health and Allied Science, Dar es Salaam, Tanzania;
6. Georgetown Lombardi Comprehensive Cancer Center, Georgetown University, Washington, District of Columbia