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Article History
Accepted: 20 January 2022
First Online: 31 January 2022
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the ethics committee of Sun Yat-Sen University.
: Informed consent was obtained from all individual participants included in the study.
: The authors have no relevant financial or non-financial interests to disclose.
