1. Department of Metabolism and Endocrinology (S.L., J.L., Z.X., Y.X., P.Z., G.H., X.L., Y.L., C.-Y.W., Z.Z.), Second Xiangya Hospital and Diabetes Center, Institute of Metabolism and Endocrinology, Central South University, and Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, Hunan 410011, China
2. Pacific Northwest Diabetes Research Institute and University of Washington (W.A.H.), Seattle, Washington 98122
3. The Center for Biomedical Research (C.-Y.W.), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China