“…Accordingly, 18 articles were included in our study. 1 , 3 , 14–29 7 out of the 18 studies are prospective studies, 14–16 , 18 , 24 , 25 , 29 5 are cohort studies, 1 , 17 , 26–28 2 are retrospective case-series studies, 3 , 19 3 are randomized controlled trials, 20 , 21 , 23 and 1 is a follow up study. 22 All of the included articles underwent extensive qualitative and quantitative evidence synthesis to establish their quality.…”