1. Department of Cell Biology, Physiology, and Immunology, University of Cordoba, Instituto Maimónides de Investigación Biomédica de Córdoba, and Centro de Investigacion Biomedica en Red Fisiopatología de la Obesidad y Nutrición, Cordoba, Spain; and
2. Research and Development Division, Jesse Brown Veterans Affairs Medical Center and Department of Medicine, Section of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, Illinois