1. Department of Endocrinology, First Affiliated Hospital of Anhui Medical University, Hefei, China
2. Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
3. Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
4. Department of Biochemistry and Molecular Biology, School of Medicine, Southeast University, Nanjing, China