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Article History
Received: 2 July 2021
Revised: 1 August 2021
Accepted: 14 August 2021
First Online: 15 October 2021
Declarations
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: The scientific guarantor of this publication is Yuanli Zhao at Beijing Tiantan Hospital.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: None.
: Institutional review board approval was not required because this is an editorial comment.
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