1 Fleischer Institute for Diabetes and Metabolism, Division of Endocrinology, Diabetes, and Metabolism, Albert Einstein College of Medicine, Bronx, New York.
2 NY-Regional Center for Diabetes and Translational Research, Albert Einstein College of Medicine, Bronx, Nork.
3 Perelman School of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania, Philadelphia.