1. World Health Organization, Geneva, Switzerland;
2. UNICEF Programme Division, New York, New York;
3. Gavi, the Vaccine Alliance, Geneva, Switzerland;
4. US Centers for Disease Control and Prevention, Atlanta, Georgia;
5. Bill & Melinda Gates Foundation, Seattle, Washington;
6. UNICEF Supply Division, Copenhagen, Denmark
7. Rotary International, Evanston, Illinois; and