1. From the Departments of Medicine Endocrinology and the 2Harold Hamm Oklahoma Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the 3Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, C
2. From the Departments of Medicine Endocrinology and 4Cell Biology, and the 2Harold Hamm Oklahoma Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the 5Dean A. McGee Eye Institute, Oklahoma City, Oklahoma.