“…When necessary, an attempt was made to contact the authors to retrieve any missing information. Following this process, 10 studies were excluded because [1] they were not RCTs (n ¼ 3) (7-9), [2] they were overlapping publications (n ¼ 5) (10)(11)(12)(13)(14), [3] the randomization plan was disrupted (n ¼ 1) (15), and [4] no extractable data regarding the primary outcome measure of this metaanalysis could be retrieved (n ¼ 1) (16). Eventually, eight studies (4-6, 17-21) were considered eligible (Table 1) and were included in the systematic review and metaanalysis (Supplemental Fig.…”