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Authors
Gu, Yuan-Yuan
Zhou, Guan-Nan
Wang, Qing
Ding, Jing-Xin
Hua, Ke-Qin
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Funding
Funding for this research was provided by:
Shanghai Medical Center of Key Programs for Female Reproductive Diseases (2017ZZ01016)
Shanghai Hospital Development Center (SHDC12015117)
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Article History
Received: 8 December 2019
Accepted: 8 April 2020
First Online: 21 April 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of our hospitals, and the study was conducted in accordance with the Declaration of Helsinki and the International Conference on Harmonization of Good Clinical Practice. Oral and written informed consents were obtained from the patients or their guardians before the study.
: All the authors declare no competing interests.
