“…According to the QUADAS scale, the methodological quality was not good in all included studies ( Table 2). Four studies met 13 requirements of this scale [10,11,20], 3 studies met 12 [18,21,22], 4 studies met 11 [8,17,23,24], 3 studies met 10 [25][26][27], and the remained met fewer than 10 [9, [28][29][30][31][32].…”