1. World Health Organization Collaborating Centre on Nutrition Changes and Development, Department of Nutrition, Faculty of Medicine, Université de Montréal, Montréal, QC H3C 3JF, Canada.
2. Hospital General de Zona No. 1, Instituto Mexicano del Seguro Social and Universidad Autónoma Benito Juarez, Oaxaca, Mexico
3. Hôtel-Dieu Hospital, Centre Hospitalier de l’Université de Montréal, Montréal, Que., Canada