Figure 2
(A) Risk of bias graph; (B) for Risk of bias summary (“+” indicates a low risk of bias, “−” indicates a high risk of bias, “?” indicates unclear or unknown risk of bias).
Figure 2 | Scientific Reports
(A) Risk of bias graph; (B) for Risk of bias summary (“+” indicates a low risk of bias, “−” indicates a high risk of bias, “?” indicates unclear or unknown risk of bias).
