1. Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway;
2. Department of Human Nutrition and Home Economics, Kyambogo University, Kampala, Uganda;
3. The Childhood Acute Illness & Nutrition Network (CHAIN), Nairobi, Kenya; KEMRI/Wellcome Trust Research Programme, Kilifi, Kenya;
4. School of Health Sciences, Kristiania University College, Oslo, Norway;
5. Division of Obstetrics and Gynecology, Oslo University Hospital, Oslo, Norway;
6. Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway;
7. Department of Haematology, Oslo University Hospital, Oslo, Norway;
8. Division of Human Nutrition, Stellenbosch University, Tygerberg, South Africa