1. Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine , Shanghai 200233 , China
2. Department of Endocrinology, Affiliated Hospital of Nantong University , Nantong 226001 , China
3. Institute for Metabolic Disease, Fengxian Central Hospital Affiliated to Southern Medical University , Shanghai 201499 , China