Institution: | aDivision of Infection and Immunity, University College London, London, United Kingdom;bBandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau;cChild and Adolescent Clinic, Rigshospitalet, Copenhagen, Denmark;dResearch Center for Vitamins and Vaccines (CVIVA), Bandim Health Project, Statens Serum Institut, Copenhagen, Denmark |