1. Department of Genetics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
2. Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
3. Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina 27599, United States
4. Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
5. Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, United States
6. Department of Toxicology, Center of Investigation and of Advanced Studies of the National Polytechnic Institute (Cinvestav-IPN), México City 07360, Mexico
7. Faculty of Medicine, Juarez University of Durango State, Durango 34000, Mexico