1. Southwest National Primate Research Center; San Antonio TX USA
2. Baylor Research Institute; Dallas TX USA
3. Department of Genetics; Texas Biomedical Research Institute; San Antonio TX USA
4. University of North Carolina at Chapel Hill; Kannapolis NC USA
5. University of Nuevo Leon School of Nutrition and Public Health; Monterrey Mexico
6. Hospital Infantil de Tamaulipas; Ciudad Victoria México
7. The University of Texas Health Science Center at San Antonio; San Antonio TX USA
8. Baylor University Medical Center; Dallas TX USA