1. SA MRC/Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, Faculty of Health Sciences, School of Clinical Medicine, University of the Witwatersrand, Johannesburg, South Africa
2. Walsh School of Foreign Service, Georgetown University, Washington, DC, USA
3. Eco-Anthropologie (EA), Museum National d’Histoire Naturelle, CNRS, Université Paris-Cité, Musée de l’Homme, Paris, France