1. a Shanghai Clinical Center for Diabetes, Department of Endocrinology and Metabolism, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Diabetes Institute, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
2. b Department of Pathology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
3. c Department of Clinical Nutrition, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
4. d Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China