1. Scientist, International Livestock Research Institute, C/O IITA East Africa Hub, P.O. Box 34441, Dar es Salaam, Tanzania.
2. Senior Scientist, International Livestock Research Institute, C/O IITA East Africa Hub, P.O. Box 34441, Dar es Salaam, Tanzania.
3. Research Assistant, International Livestock Research Institute, P.O. Box 30709, Nairobi, Kenya.