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Authors
Wang, Jing
Liu, Pei
Liu, Zhongzhong
Tian, Ye
Zhang, Guilian
Guo, Jun
Li, Li
Liu, Zhiqin
Han, Zucheng
Lin, Wenjuan
Lin, Xuemei
Lu, Qingli
Liu, Yan
Chang, Qiaoqiao
Wu, Songdi
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Funding
Funding for this research was provided by:
Science and Technology Plan Major Project of Xi’an city (20YXYJ0008(1))
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Article History
Received: 27 April 2020
Accepted: 16 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: The Ethics Committee of the First Hospital of Xi’an has fully approved and consented to the protocol (registration number 2017/04). The other participating centers have approved the protocol. The study was registered (ChiCTR-OPC-17011625) on June 11, 2017. All study participants are/will be fully informed about the study, and written informed consent is/will be obtained from all participants before entering the study.
: Not applicable.
: The authors declare that they have no competing interests.
