1. Bandim Health Project, Indepth Network, Apartado, Guinea-Bissau
2. Research Center for Vitamins and Vaccines (CVIVA), Bandim Health Project, Statens Serum Institut, Artillerivej, Denmark
3. OPEN, Odense Patient data Explorative Network, Odense University Hospital/Institute of Clinical Research, University of Southern Denmark, Odense C, Denmark
4. Center for Global Health, Department of Public Health, Aarhus University, Aarhus C, Denmark