“…After removing duplicates, 935 articles were left; their titles and abstracts were screened, and 78 relevant articles were identified for full-text review. Overall, this study collated data and information from 49 articles, [ 11 , 12 , 17 , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] , [60] , [61] , [62] , [63] , [64] , [65] ] with 25 of them included in the quantitative synthesis ( Figure 1 ). Twenty-two of these articles were retrospective in nature, two had data collected both retrospectively and prospectively, one was both a retrospective cohort study and a survey.…”