“…Twenty-two studies met the inclusion criteria ( Figure 1). A summary of the 22 selected studies, which date from 1996 to 2018, is shown in Table 1 14,16,18,[22][23][24][25][26][27][28][29][30][31][32][33]39,40,[43][44][45][46][47] . Twelve of these studies were not included in previous reviews 16,18,22,23,33,39,40,[43][44][45][46][47] .…”