Affiliation: | the Department of Physiology and Medicine, Southwest Foundation for Biomedical Research (P.O. Box 28147), San Antonio, TX 78228–0147, USA;the Department of Pathology, The University of Texas Health Science Center, San Antonio, TX 78284–7750, USA;the Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa 50011, USA. |