1. The World Vegetable Center, Eastern, and Southern Africa, Arusha, Tanzania
2. CIRAD - UR HortSys, Montpellier University, Montpellier, France
3. ICIPE- Plant Health Department, Nairobi, Kenya
4. Centre d’Excellence WASCAL, Université Felix Houphouet Boigny, Abidjan, Côte d’Ivoire