1. Key Laboratory of Molecular Mechanism and Intervention Research for Plateau Diseases of Tibet Autonomous Region, School of Medicine Xizang Minzu University Xianyang China
2. Key Laboratory of High Altitude Environment and Genes Related to Diseases of Tibet Autonomous Region, School of Medicine Xizang Minzu University Xianyang China
3. Key Laboratory for Basic Life Science Research of Tibet Autonomous Region, School of Medicine Xizang Minzu University Xianyang China
4. Department of gynaecology and obstetrics The Second Affiliated Hospital of Xi'an Jiaotong University Xi'an China
5. Department of gynaecology and obstetrics The Ngari Prefecture People's Hospital Ngari Prefecture China