Statistics from Altmetric.com
↵ i Figures in parentheses indicate: the number (n) of studies, which found differences for that specific outcome measure between the groups/number of studies (n), which included that particular outcome measure.
Contributors APB selected the systematic review and wrote the initial draft of the manuscript. APB and HSR carried out the critical appraisal of the article and approved the final version of the manuscript.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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