1. Pan African University for Life and Earth Sciences Institute (Including Health and Agriculture) (PAULESI)/University of Ibadan, Oduduwa Road, 200132, Ibadan, Oyo, Nigeria
2. International Maize and Wheat Improvement Center (CIMMYT), 12.5 KM Peg, Mazowe Road, Mount Pleasant Harare, Zimbabwe
3. Institute of Agric. Research and Training, Obafemi Awolowo University, P.M.B. 5029, Moor Plantation, Apata, Ibadan, Nigeria
4. Marondera University of Agricultural Sciences and Technology, PO Box 35, Marondera, Zimbabwe
5. Makerere University, 7062 University Rd, Kampala, Uganda