1. Department of Food Technology and Process EngineeringWollega University P.O. Box 395NekemteEthiopia
2. Center for Food Science and Nutrition ProgramAddis Ababa University P.O. Box 1176Addis AbabaEthiopia
3. Department of Food Science and Technology Botswana Collage of Agriculture Botswana University Gaborone Botswana
4. Department of Chemical Engineering Canada Research Chair (Tier 1) Lakehead University Thunder Bay ON Canada P7B 5E1