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Authors
Zhang, Yuan
Hu, Xing
Chang, Jing
Chen, Jie
Han, Xue
Zhang, Tieying
Shen, Jianjun
Shang, Ning
Han, Jing
Wang, Hui
Kang, Weiwei
Meng, Fankun
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Funding
Funding for this research was provided by:
Scientific Research Project of Beijing Youan Hospital, CCMU (2019 (BJYAYY-GG2019-05))
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Article History
Received: 8 June 2021
Accepted: 11 October 2021
First Online: 22 October 2021
Declarations
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: In this retrospective study, the requirement for informed consent was waived, and approval was granted by the ethical committee of the Beijing Youan Hospital, Capital Medical University. The study protocol confirmed to the ethical guidelines of the Declaration of Helsinki.
: Not applicable.
: The authors declare no conflict of interest.
