Fig. 2.
Fig. 2.
Risk of bias summary. +: low risk of bias, -: high risk of bias, ?: unclear risk of bias.
J Korean Med Rehabi 2018;28:11-20 https://doi.org/10.18325/jkmr.2018.28.4.11
© 2018 J Korean Med Rehabi
Risk of bias summary. +: low risk of bias, -: high risk of bias, ?: unclear risk of bias.