- Boston UniversityUS1 paper
- Center for Disease Dynamics, Economics & PolicyUS1 paper
- Federal University of TechnologyNG1 paper
- Imperial College LondonGB1 paper
- International Vaccine InstituteKR1 paper
- London School of Hygiene & Tropical MedicineGB1 paper
- Medical Research CouncilGB1 paper
- Pennsylvania State UniversityUS1 paper
- Robert Koch InstituteDE1 paper
- University of CambridgeGB1 paper
- University of Cape TownZA1 paper
- University of Hong KongHK1 paper
1 paper