1. Clinton Health Access Initiative Inc., Yaounde P.O. Box 2664, Cameroon
2. Institute for Global Health, University of Siena, 53100 Siena, Italy
3. Gavi, The Vaccine Alliance, 1202 Geneva, Switzerland
4. Faculty of Medicine, The Hebrew University-Hadassah Braun School of Public Health and Community Medicine, Jerusalem 91120, Israel
5. Expanded Program on Immunization, Cameroon Ministry of Public Health, Yaounde P.O. Box 2084, Cameroon
6. Global Vaccine Team, Clinton Health Access Initiative Inc., Boston, MA 02127, USA
7. School of Global Health and Bioethics, Euclid University, Bangui BP 157, Central African Republic
8. Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaounde B.P. 337, Cameroon
9. Regional Office for Africa, World Health Organization, Brazzaville P.O. Box 06, Congo
10. Department Molecular Medicine, University of Siena, Via Aldo Moro 3, 53100 Siena, Italy
11. VisMederi srl, Via Ferrini 53, 53035 Siena, Italy
12. Department of Pediatrics, University of Oxford, Oxford OX1 2JD, UK