1. National Clinical Research Center for Metabolic Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
2. Key Laboratory of Diabetes Immunology, Ministry of Education, and Metabolic Syndrome Research Center, The Second Xiangya Hospital of Central South University, Changsha, China
3. Department of Orthopedics, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
4. Department of Geriatric Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
5. Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
6. Department of Biliopancreatic Surgery and Bariatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
7. Clinical Immunology Center, The Second Xiangya Hospital of Central South University, Changsha, China