1. Department of Manufacturing, Industrial and Textile Engineering, School of Engineering, Moi University, P.O. Box 3900-30100, Eldoret, Kenya
2. Department of Industrial Engineering, Mekelle University, P.O. Box 231, Mek’ele, Ethiopia
3. Department of Animal Science, Faculty of Agriculture, Egerton University, P.O. Box 536-20115, Nakuru, Kenya
4. Department of Applied Studies, Malawi University of Science and Technology, P.O. Box 5196, Limbe, Malawi
5. Department of Mechanical, Production and Energy Engineering, School of Engineering, Moi University, P.O. Box 3900-30100, Eldoret, Kenya
6. Department of Renewable Energy, Zambia Electricity Supply Corporation Limited (ZESCO), P.O. Box 33304-10101, Lusaka, Zambia
7. Department of Fibre, Polymer and Materials Engineering, P.O. Box AC939, Bulawayo, Zimbabwe
8. Department of Polymer, Industrial and Textile Engineering, Faculty of Engineering, Busitema University, P.O. Box 236, Tororo, Uganda