1. Makerere University, School of food Technology, Nutrition and Bio-engineering, P.O. Box 7062, Kampala, Uganda
2. Bioversity International. c/o IITA Cameroon Station 1st, Main Road IRAD, Nkolbisson. P.O. Box 2008 Messa, Yaoundé, Cameroon
3. Institut de Recherche en Ecologie Tropicale, Libreville, P.O. Box 13345, Gabon
4. Institut de Recherche Agricole pour le Développement (IRAD), Yaoundé, P.O. Box 2785, Cameroon
5. Faculté des sciences, Université de Kisangani, BP 2012, Kisangani, RD Congo
6. Department of Biochemistry, University of Yaounde 1, Yaounde, Cameroon
7. International Maize and Wheat Improvement Center (CIMMYT), Carratera México-Veracruz Km. 45, El Batán, Texcoco, México, C.P. 56237
8. Bioversity International, Via dei Tre Denari 472/a Maccarese (Roma) 00054, Italy