Selection of studies and risk of bias
The study selection was be evaluated by two independent reviewers.
Reviewer 1 was perform data extraction and Reviewer 2 will analyze that
data. A third investigator was make the final decision to choose the
articles and decide on conflicting points. The Cochrane instrument was
be adopted to assess the quality of the included studies (Higgins 2011)
[20].
A total of 105 articles were found with the mentioned Mesh Terms, and
after the selection criteria in Table 1 above, 25 studies were selected
and 23 scientific articles were analyzed in full to compose the present
study.