“…Three of these studies met all nine quality criteria in the assessment tool [48, 63, 64]. Twenty‐four studies showed a low risk of bias [25, 26, 28, 30, 32, 34, 36, 40, 42, 43, 45, 48–52, 54–56, 59–61, 63–65], 15 studies showed a moderate risk of bias [24, 27, 31, 35, 37–39, 41, 44, 46, 57, 58, 62, 66], and one study showed a high risk of bias [33].…”