1. The Vaccines and Immunity Theme, Medical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia
2. CIHLMU Center for International Health, Medical Center of the University of Munich (LMU), Munich, Germany
3. Navrongo Health Research Centre, Ghana Health Service, Navrongo, Ghana
4. Centre pour le Developement des Vaccins, University of Maryland, Bamako, Mali
5. Centre for Biologic Threats and Special Pathogens, Robert Koch Institute, Berlin, Germany
6. Division of Infectious Diseases and Tropical Medicine, University Hospital, LMU Munich, Germany
7. German Centre for Infection Research (DZIF), partner site Munich, Germany
8. The Vaccine Centre, London School of Hygiene and Tropical Medicine, London, England