1 From the Division of Endocrinology, Diabetes, and Metabolism, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
2 Division of Endocrinology, Diabetes, and Metabolism, University of North Carolina, Chapel Hill, North Carolina.
3 From the Division of Endocrinology, Diabetes, and Metabolism, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: serena.cardillo@pennmedicine.upenn.edu.