1. Department of Nutritional Sciences, School of Allied Health Sciences, University for Development Studies, P. O. Box 1883, Tamale, Ghana
2. Yendi Nursing and Midwifery Training College, Ghana Health Service, Yendi, Ghana
3. University of Health and Allied Sciences, Ho, Ghana
4. Department of Public Health, School of Allied Health Sciences, University for Development Studies, P. O. Box 1883, Tamale, Ghana