Fig. 1From: Effects of transcranial direct current stimulation on gait in people with Parkinson’s disease: study protocol for a randomized, controlled clinical trialFlowchart of overall study design. Note: Active tDCS is either monopolar bilateral a-tDCS over premotor cortex and primary motor cortex or bipolar bilateral a-tDCS over premotor cortex, primary motor cortex and cerebellum cortexBack to article page