1.1. Analysis.
Comparison 1 Transcranial Direct Current Stimulation (tDCS) versus sham tDCS, Outcome 1 Unified Parkinson's Disease Ranking Scale (UPDRS; change in global UPDRS score).
Comparison 1 Transcranial Direct Current Stimulation (tDCS) versus sham tDCS, Outcome 1 Unified Parkinson's Disease Ranking Scale (UPDRS; change in global UPDRS score).