1. Institut de Recherche pour le Développement, IRD, Université de Montpellier, Supagro Montpellier, Montpellier, France
2. National Institute of Nutrition, Ministry of Health, Hanoi, Vietnam
3. RTI International, Washington, DC, USA
4. Food and Nutrition Technical Assistance III Project (FANTA)/FHI 360, Washington, DC, USA
5. National Pediatric Hospital, Hanoi, Vietnam