1. From the Bandim Health Project Indepth Network Bissau Guinea‐Bissau
2. Research Centre for Vitamins and Vaccines (CVIVA) Statens Serum Institute Copenhagen S Denmark
3. OPEN Institute of Clinical Research University of Southern Denmark/Odense University Hospital Odense Denmark
4. Public Health Agency of Sweden Solna Sweden
5. Institution for Translational Medicine Lund University Malmö Sweden
6. Research Unit of Environmental Medicine University of Southern Denmark Odense C Denmark
7. Department of Internal Medicine Radboud Center for Infectious Diseases Radboud University Medical Center Nijmegen The Netherlands