“…All the studies included in this review were observational: five with a cross-sectional design [31,36,40,46,47]; nine retrospective studies, including four case-control studies [37,41,44,94], two cohort studies [30,43], and three pre-post studies [33,35,95]; eight prospective studies that included seven cohort studies [29,32,34,38,39,42,45] and one pre-post study [48].…”