1. Department of Public Health, University of Eastern Africa, Baraton, Eldoret, Kenya
2. Master of Public Health Program and Master in Global Health Program, School of Health Sciences, University of Eastern Africa, Baraton, Eldoret, Kenya
3. Institute of Environmental & Occupational Health Sciences, National Yang Ming University, Taipei, Taiwan
4. Department of Foods, Nutrition and Dietetics, School of Science and Technology, University of Eastern Africa, Baraton, Eldoret, Kenya
5. International Health Program, National Yang Ming University, Taipei, Taiwan
6. Institute of Public Health, National Yang-Ming University, Taipei, Taiwan