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Forest plot showing mean difference from the comparison between single targets in motor function—UPDRS III (A) and dyskinesias—UPDRS IV (B) and motor fluctuations—UPDRS IV (C) and the gait—TUG (D) and balance—BBS (E). Risk of bias was deemed as “low risk of bias” (“+”), “high risk of bias” (“–”), or “unclear risk of bias” (“?”).
