1. La Direction de Protection Végétaux, BP20054 Dakar, Senegal
2. International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria
3. National Food Security, Processing and Marketing Corporation, Denton Bridge, Banjul, The Gambia
4. United States Department of Agriculture, Agricultural Research Service, Tucson, AZ 85719, U.S.A.
5. College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China