1. Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
2. Doctors Without Borders, Denmark, Copenhagen, Denmark
3. Department of Biomedical and Public Health, Research Institute for Health Sciences, Ouagadougou, Burkina Faso
4. Department of Pediatrics, Righospitalet, Copenhagen, Denmark
5. London School of Hygiene and Tropical Medicine, Faculty of Epidemiology and Population Health, London, UK
6. Center for Child Health Research, University of Tampere School of Medicine and Tampere University Hospital, University of Tampere, Tampere, Finland