Document is current

Article History

Received: 30 November 2020

Accepted: 6 June 2021

First Online: 10 June 2021

Declarations

:

: No potential conflicts of interest were disclosed.

: Institutional review board approval was not required because only the published studies were used in this meta-analysis. The manuscript has not been published before and is not under consideration for publication anywhere else.

: Written informed consent was not required for this study because it is a meta-analysis based on the studies that have been published.