1. Department of Women’s and Children’s Health, Karolinska Institutet, 171 76 Stockholm, Sweden
2. CURIE Study Consortium, Iganga-Mayuge Health and Demographic Surveillance System, Iganga P.O. Box 111, Uganda
3. Department of Pediatrics and Child Health, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda