1. Division of Endocrinology, Department of Internal Medicine, Tongji Hospital Tongji Medical College, Huazhong University of Science and Technology Wuhan China
2. Branch of National Clinical Research Center for Metabolic Diseases Wuhan China
3. Division of Endocrinology, Department of Internal Medicine The Affiliated Hospital of Qinghai University Xining China
4. Computer Center, Tongji Hospital Tongji Medical College, Huazhong University of Science and Technology Wuhan China