1. Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine Chinese Academy of Medical Science Beijing China
2. Department of Endocrinology Ningbo First Hospital Zhejiang China
3. Department of Endocrinology Changshu Second People's Hospital Suzhou China
4. Department of Endocrinology Qingdao Endocrine and Diabetes Hospital Qingdao China
5. Department of Endocrinology Xiaoshan Affiliate Hospital of Wenzhou Medical University Hangzhou China
6. Department of Endocrinology The Third Affiliated Hospital of Jinzhou Medical University Liaoning China
7. Eli Lilly Suzhou Pharmaceutical Co. Ltd Shanghai China