1. Ministry of Health and Sanitation Republic of Sierra Leone Freetown Sierra Leone
2. Department of Nutrition University of Oslo Oslo Norway
3. Department of Haematology Oslo University Hospital Oslo Norway
4. Division of Human Nutrition Stellenbosch University Tygerberg South Africa
5. Department of Pediatrics University of Washington School of Medicine Seattle Washington USA
6. Department of Medicine Washington University in St. Louis St. Louis Missouri USA
7. Department of Pediatrics Washington University School of Medicine in St. Louis St. Louis Missouri USA