deletions | additions       diff --git a/textbf_Results_textbf_Literature_search__.tex b/textbf_Results_textbf_Literature_search__.tex  index edc1338..ecb00a9 100644  --- a/textbf_Results_textbf_Literature_search__.tex  +++ b/textbf_Results_textbf_Literature_search__.tex 
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\textbf{Results}  \textbf{Literature search }  The Pubmed search resulted in 337 articles from four journals. After screening titles and abstracts via Covidence, 79 were excluded. Full-text article screening resulted in removal of an additional 74 articles which did not met the definition of a systematic review and/or meta-analysis. Additionally 2 studies could not be retrieved. In total 182 manuscripts were analyzed for heterogeneity (Figure 1). dd  \textbf{Heterogeneity Evaluation Practices}