“…After full-text screening, five articles were excluded. Thus, 21 studies meeting the inclusion criteria were finally included in this review, following the PRISMA flow chart [ 8 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ] ( Figure 1 ).…”