“…In particular, four databases were systematically searched and the reference lists of relevant studies were screened, ultimately resulting in the 48 studies involved in this review. The following references were the studies involved: [5], [6], [8], [10], [12], [14], [15], [16], [17], [18], [29], [31], [32], [33], [34], [35], [36], [37], [38], [39], [40], [41], [46], [47], [48], [49], [50], [51], [52], [53], [55], [61], [62], [65], [66], [67], [68], [69], [70], [71], [72], [73], [74], [75], [76], [77], [78], [79].…”