1. Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA;
2. Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA;
3. Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA;
4. Center for Nutrition and Health Research, National Institute of Public Health, Mexico City, Mexico;
5. CONACYT, National Institute of Public Health, Center for Research on Nutrition and Health, Mexico City, Mexico