1. Department of Nutrition, Research Center for Food and Development, Hermosillo, Sonora, Mexico
2. Posgrado en Ciencias de la Salud, Universidad de Sonora, Hermosillo, Sonora, Mexico
3. Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA
4. Carotenoids and Health Laboratory, Jean Mayer USDA-Human Nutrition Research Center on Aging, Tufts University, Boston, MA