1. Department of Endocrinology and Metabolism, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China.
2. Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.
3. Department of Endocrinology and Metabolism, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
4. Department of Endocrinology and Metabolism, Qilu Hospital, Shandong University, Jinan, China.
5. Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China.
6. Clinical Laboratory, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China.
7. Department of Preventive Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China.
8. Department of Epidemiology and Biostatistics, School of Public Health, Shandong University, Jinan, China.
9. Key Laboratory for Endocrine and Metabolic Diseases of Ministry of Health, Department of Endocrine and Metabolic Diseases, Rui-Jin Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China.
10. Scientific Center, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China.