1. Department of Human Nutrition, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
2. Department of Public Health, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
3. Department of Environmental Health, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
4. Department of Medical Laboratory Science, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia