1 Research Centre for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Odense Patient Data Explorative Network, Institute of Clinical Research, Odense University Hospital, University of Southern Denmark, Odense, Denmark; Bandim Health Project, Indepth Network, Bissau, Guinea-Bissau. Electronic address: cb@ssi.dk.
2 Research Centre for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Odense Patient Data Explorative Network, Institute of Clinical Research, Odense University Hospital, University of Southern Denmark, Odense, Denmark; Bandim Health Project, Indepth Network, Bissau, Guinea-Bissau.
3 UMR-204 Nutripass, French National Research Institute for Sustainable Development, Montpellier, France.
4 Department of Paediatrics and Child Health, University KwaZulu-Natal, Durban, South Africa.
5 Sitaram Bhartia Institute of Science and Research, New Delhi, India.