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Authors
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81570904, 11974121)
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Article History
Received: 20 November 2019
Accepted: 24 April 2020
First Online: 6 May 2020
Compliance with ethical standards
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: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: This study was approved by the Ethics Committee of Guangzhou Medical University and an informed consent was obtained from each participant.
