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Authors
Huang, Yilin
Liu, Yan
Wang, Yu
Liu, Danping
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Article History
Received: 27 July 2020
Accepted: 8 March 2021
First Online: 12 March 2021
Declarations
:
: Not applicable.
: The study protocol was approved by the Institutional Review Board of Sichuan University (Project identification code: H171260). The study was explained to participants and informed written consent was obtained prior to data collection.
: The authors declare that they have no competing interests.
