1. Department of Nutrition and Health, School of Public Health and Community Development, Maseno University, Private Bag-40100 Maseno, Kenya
2. Department of Family and Consumer Sciences, School of Agriculture and Biotechnology, Moi University, P.O. Box 1125-30100 Eldoret, Kenya
3. Department of Biomedical Sciences and Technology, School of Public Health and Community Development, Maseno University, Private Bag-40100 Maseno, Kenya