1. Department of Pathology; Qilu Hospital; Shandong University; Jinan China
2. Department of Orthopaedics; Qilu Hospital; Shandong University; Jinan China
3. Department of Gynaecology and Obstetrics; Jinan Central Hospital; Shandong University; Jinan China
4. Department of Dermatology; Qilu Hospital; Shandong University; Jinan China
5. Department of Orthopaedics; Zhangqiu People Hospital; Jinan China
6. Department of Pathology and Physiopathology; Shandong University Medical School; Jinan China