1. Department of Environmental Health Sciences, University of Michigan, School of Public Health, Ann Arbor, MI, USA
2. Department of Biostatistics, University of Michigan, School of Public Health, Ann Arbor, MI, USA
3. Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TX, USA
4. School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI, USA
5. Independent Consultant, Mexico City, Mexico
6. Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
7. Unidad de Vinculación de la Facultad de Medicina, Universidad Nacional Autónoma de México, Instituto Nacional de Medicina Genómica, Ciudad de México, México
8. Department of Epidemiology, of Michigan, School of Public Health, Ann Arbor, MI, USA