1. Master´s and Doctorate Program in Medical and Health Sciences, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico.
2. Center for Research in Nutrition and Health, National Institute of Public Health, Mexico City, Mexico.
3. National Council for Science and Technology (CONACYT), Mexico City, Mexico.
4. Menzies Centre for Health Policy, School of Public Health, The University of Sydney, Sydney, NSW, Australia.
5. Public Administration Division, Center for Research and Teaching in Economics, Mexico City, Mexico.
6. Public Health Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico.