1. 1Department of Ophthalmology and Ross Eye Institute, University at Buffalo, State University of New York, Buffalo, NY
2. 2SUNY Eye Institute, State University of New York, Buffalo, NY
3. 3Department of Endocrinology and Metabolism, Third Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diabetology, Guangzhou, China
4. 4VIP Medical Service Center, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
5. 5Department of Medicine, South Texas Veterans Healthcare System and the University of Texas Health Science Center, San Antonio, TX
6. 6Department of Biochemistry, University at Buffalo, State University of New York, Buffalo, NY