Fig. 1From: Transcranial direct current stimulation in management of pain, mood, functionality, and quality of life in patients undergoing hemodialysis: a study protocol for a double-blind controlled randomized trialFlowchart summarizing the trial. *According to clinical routine, interventions could be performed on Tuesday/Thursday/Saturday. VAS Visual Analogue Scale, M1 motor cortex, DLPFC dorsolateral prefrontal cortexBack to article page