1. Department of Endocrinology, Ninth Affiliated Hospital, Guangxi Medical University, Beihai, China
2. Department of Endocrinology, Nanfang Hospital, Southern Medical University, Guangzhou, China
3. Department of Endocrinology, First Affiliated Hospital, Guangxi Medical University, Nanning, China
4. Department of Hepatobiliary and Endocrine Surgery, Guangxi People's Hospital, Nanning, China
5. Department of Hepatobiliary and Endocrine Surgery, Guangxi Pingnan People's Hospital, Pingnan, China
6. Shanghai Endocrine and Metabolism Research Institute, Shanghai, China
7. Department of Pathology, Ninth Affiliated Hospital, Guangxi Medical University, Beihai, China