Funding for this research was provided by:
Natural Science Foundation of Xinjiang Province (2019D01C088)
Text and Data Mining valid from 2020-04-25
Received: 12 October 2019
Accepted: 31 March 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: This study was approved by the Medical Institutional Ethics Committee of Gynecology and Obstetrics Hospital of Fudan University. Informed consent was obtained from all the enrolled patients who underwent surgery.
: Not applicable.
: The authors declare no conflict of interest.