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Authors
Guan, Yun
Xiong, Ji
Pan, Mingyuan
Shi, Wenyin
Li, Jing
Zhu, Huaguang
Gong, Xiu
Li, Chao
Mei, Guanghai
Liu, Xiaoxia
Pan, Li
Dai, Jiazhong
Wang, Yang
Wang, Enmin
Wang, Xin
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Article History
Received: 22 November 2020
Accepted: 11 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the institutional and the 1964 Helsinki declaration and its later amendments. This retrospective study was approved by the Huashan ethics committee. All participants provided written informed consent and studies were approved by the local ethics committee.
: Not Applicable.
: All the authors have nothing to disclose.
