1. Global Immunization Division, Centers for Disease Control and Prevention (CDC) , Atlanta, GA, USA
2. Expanded Programme on Immunization, Ministry of Health , Kampala, Uganda
3. Division of Global HIV and Tuberculosis, Centers for Disease Control and Prevention , Kampala, Uganda
4. Global Immunization Division, Centers for Disease Control and Prevention , Kampala, Uganda
5. Division of Global Health Protection, Centers for Disease Control and Prevention , Kampala, Uganda
6. World Health Organization, Country Office , Kampala, Uganda
7. UNICEF, Country Office , Kampala, Uganda