1. Department of Health Sciences, University of Wisconsin–Milwaukee, Milwaukee, Wisconsin
2. Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Phoenix, Arizona
3. Pennington Biomedical Research Center, Baton Rouge, Louisiana
4. Department of Genetics, Yale University School of Medicine, New Haven, Connecticut
5. Centro de Investigacion en Alimentación y Desarrollo A.C., Hermosillo, Mexico