1. Department of Environmental Sciences and EngineeringGillings School of Global Public Health, University of North CarolinaChapel Hill North Carolina
2. Department of GeneticsSchool of Medicine, University of North CarolinaChapel Hill North Carolina
3. Department of EpidemiologyGillings School of Global Public Health, University of North CarolinaChapel Hill North Carolina
4. Department of NutritionGillings School of Global Public Health, University of North CarolinaChapel Hill North Carolina
5. Curriculum in ToxicologyUniversity of North CarolinaChapel Hill North Carolina
6. Facultad de MedicinaUniversidad Juárez del Estado de DurangoGómez Palacio Durango Mexico