1. Department of Endocrinology; Beijing Hospital, National Center of Gerontology; Beijing China
2. Department of Endocrinology; Qilu Hospital of Shandong University; Jinan China
3. Key Laboratory of Hormones and Development, Ministry of Health, Tianjin Key Laboratory of Metabolic Diseases; Tianjin Medical University Metabolic Diseases Hospital; Tianjin China
4. The Endocrinology Department; The First Affiliated Hospital of Fujian Medical University; Fuzhou China
5. Sir Run Run Shaw Hospital of Nanjing Medical University; Jiangsu China
6. Shanghai East Hospital affiliated to Tongji University; Shanghai China