Vanderbilt University - Department of Molecular Physiology and Biophysics, Vanderbilt University Medical Center, Department of Internal Medicine, Vanderbilt University - Department of Molecular Physiology and Biophysics, Vanderbilt University - Department of Molecular Physiology and Biophysics, Vanderbilt University - Department of Molecular Physiology and Biophysics, VUMC - Division of Diabetes, Endocrinology, and Metabolism, Queen Mary University of London - Centre for Endocrinology, Tulane University - Section of Endocrinology and Metabolism, Vanderbilt University - Department of Molecular Physiology and Biophysics, Queen Mary University of London - Centre for Endocrinology, Vanderbilt University - Department of Molecular Physiology and Biophysics, Vanderbilt University - Department of Molecular Physiology and Biophysics and Vanderbilt University