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Article History

Received: 19 December 2019

Accepted: 27 April 2020

First Online: 11 May 2020

Ethics approval and consent to participate

: As a meta-analysis, no patients involved in the recruitment to and conduct of the study and there also no results be disseminated to study participants. The inclusion criteria and exclusion criteria were used to screen inclusion studies, and leave-out tests were used to analyze the impact of each study on the overall structure.

: Not applicable.

: There is no found and interest in the papers.