Yang, Qifeng
Hou, Chi
Yang, Kai
Wang, Jian
Chen, Yuqin
Article History
Received: 28 October 2020
Revised: 2 December 2020
Accepted: 2 December 2020
First Online: 14 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The manuscript has been approved by all authors for publication. This study was approved by the ethics committee of the First Affiliated Hospital of Guangzhou Medical University.
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