[1] Statens Serum Inst, Bandim Hlth Project, Res Ctr Vitamins & Vaccines CVIVA, Copenhagen S, Denmark
[2] Univ Southern Denmark, Inst Clin Res, Odense Univ Hosp, OPEN, Odense, Denmark
[3] Bispebjerg & Frederiksberg Hosp, Dept Clin Epidemiol, Copenhagen, Denmark
[4] Danish Inst Local & Reg Govt Res, Koebmagergade 22, DK-1150 Copenhagen K, Denmark
[5] Coraxo Consulting, Virum, Denmark
[6] Natl Inst Publ Hlth INASA, Bissau, Guinea Bissau
[7] Univ Copenhagen, Fac Hlth & Med Sci, Novo Nordisk Fdn, Ctr Basic Metab Res, Copenhagen, Denmark
[8] Lund Univ, Dept Translat Med, Malmo, Sweden
[9] Indepth Network, Bandim Hlth Project, Bissau, Guinea Bissau
[10] Publ Hlth Agcy Sweden, Dept Monitoring & Evaluat, Solna, Sweden