1. Department of Pathophysiology, Medical College of Qinghai University, Qinghai, P.R. China
2. Key Laboratory of Hydatidosis Research, Qinghai University Affiliated Hospital, Qinghai, P.R. China
3. Department of Gynaecology, Qinghai Red Cross Hospital, Qinghai, P.R. China
4. Department of Scientific Research and Teaching, the Fifth People's Hospital of Qinghai Province, Qinghai, P.R. China
5. Basic Medical Sciences, Qinghai University, Qinghai, P.R. China
6. Department of Gynaecology, the Fifth People's Hospital of Qinghai Province, Qinghai, P.R. China