[1
]
Department of Gynecology, Xuhui Hospital Zhongshan Hospital, Fudan University, Shanghai
Clinical Center of the Chinese Academy of Science, Xuhui District Center Hospital
of Shanghai, Shanghai, China.
[2
]
Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong
University of Science and Technology, Wuhan, China.
[3
]
South Branch of the Six People's Hospital Affiliated to Shanghai Jiao Tong University,
Shanghai, Chinahuanghz52@126.com.