1. Unit for Nutrition Research, Landspitali, The National University Hospital of Iceland and Faculty of Food Science and Nutrition, University of Iceland, Reykjavik, Iceland;
2. Division of Global Health, Massachusetts General Hospital for Children, Harvard Medical School, Boston, Massachusetts;
3. Childhood Nutrition Research Centre, University College London Institute of Child Health, London, United Kingdom;
4. Children’s Hospital, Landspitali, The National University Hospital of Iceland, and
5. Directorate of Health and Reykjavik University, Reykjavik, Iceland; and
6. Department of Pediatrics, Massachusetts General Hospital for Children, Harvard Medical School, Boston, Massachusetts