Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA. Division of Endocrinology, Diabetes, and Metabolism, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS, 39216, USA. Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA. ckoch@umc.edu. Division of Endocrinology, Diabetes, and Metabolism, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS, 39216, USA. ckoch@umc.edu.