1. Médecins Sans Frontières, Addis Ababa, Ethiopia
2. University of Gondar, Gondar, Ethiopia
3. Médecins sans Frontières, Operational Center Brussels (LuxOR), Luxembourg City, Luxembourg
4. Médecins sans Frontières, Operational Center Amsterdam, The Netherlands
5. Institute of Tropical Medicine, Antwerp, Belgium
6. University of South Africa, Pretoria, South Africa