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Article History

Received: 24 September 2021

Accepted: 9 October 2021

First Online: 26 November 2021

Declarations

:

: The scientific guarantor of this publication is Huang Yu-Chen.

: 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.

: Written informed consent was not required for this study because this is a meta-analysis.

: This is a meta-analysis and Institutional Review Board approval was not required in our institution.

: This is a meta-analysis including randomized controlled studies and retrospective cohort studies.

: • meta-analysis