“…Among these, 6145 studies were excluded after reviewing titles and abstracts, leaving 53 articles for full text review for eligibility ( Figure 1 ). Finally, nine studies were selected with proper eligibility [ 9 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 ]. One study [ 20 ], which was a planned follow-up of a previous RCT [ 19 ], was based on the same population and was therefore considered an identical study.…”