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Authors
Liu, Fang
Deng, Hongjie
Zhang, Qin
Fang, Quan
Liu, Boxi
Yang, Dan
Tian, Xiaobin
Wang, Xin
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Article History
Received: 8 July 2021
Accepted: 11 February 2022
First Online: 22 February 2022
Declarations
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: The study was approved by the ethics committee of North Sichuan Medical College. All the methods were performed in accordance with Declaration of Helsinki. All participants provided written informed consent to participate and they have the right to refuse and terminate the survey at any time. Moreover, all data were collected anonymously and treated with absolute confidentiality.
: Not applicable.
: No authors have conflicts of interest.
