2.1. Study Design and Protocol Registration

TD Teshiwal Deress
YM Yihenew Million
TB Teshome Belachew
MJ Mohabaw Jemal
MG Mekonnen Girma
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The protocol of the current systematic review and meta-analysis was designed following the “Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols” (PRISMA-P 2015) guidelines [27] and prospectively registered in the PROSPERO database with the protocol registration number of CRD42020153487.

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