1. Department of Preventive Services, Ministry of Health and Social Welfare, Dar es Salaam, Tanzania
2. Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
3. Department of Nutrition, Harvard School of Public Health, Boston, MA, USA
4. Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA
5. Clinical Nutritional Service, Division of GI/Nutrition, Children’s Hospital, Boston, MA, USA
6. Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
7. Management and Development for Health, Dar es Salaam, Tanzania
8. Prime Ministers’ Office, Regional Authority and Local Government, Dar es Salaam, Tanzania
9. Department of Global Health and Population, Harvard School of Public Health, Boston, MA, USA