1. Department of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
2. Department of Rheumatology and Immunology, Dongying People’s Hospital, Shandong, China
3. Department of Gastrointestinal Surgery, Jinan Central Hospital Shandong, China
4. Department of Endocrinology, Linyi People’s Hospital, Linyi, Shandong, China
5. Scientific Center, Shandong Provincial Hospital, Jinan, Shandong, China