1. Department of Endocrinology Shandong Provincial Hospital Affiliated to Shandong University Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Institute of Endocrinology and Metabolism Shandong Academy of Clinical Medicine Jinan Shandong P. R. China
2. Department of Rehabilitation Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai P. R. China
3. Scientific Center Shandong Provincial Hospital affiliated to Shandong University Jinan Shandong P. R. China
4. Department of Gynaecology and Obstetrics Shandong Provincial Hospital Affiliated to Shandong University Jinan Shandong P. R. China