| Study | Reason for exclusion |
|---|---|
| Boggio 2007b | Not a genuine RCT |
| Bradnam 2012 | Not a genuine RCT |
| Byblow 2011 | Not a genuine RCT, irrelevant outcome: motor evoked potential |
| Celnik 2009 | Outcome number of correct key presses clinically not relevant |
| Danzl 2012 | Sham group was stimulated more than 1 minute |
| Edwards 2009 | Not a genuine RCT |
| Gandiga 2006 | Not a genuine RCT |
| Giacobbe 2013 | Irrelevant outcome measure movement kinematics |
| Goh 2015 | Irrelevant Outcome: motor evoked potential |
| Gurchin 1988 | Irrelevant intervention: transcranial alternating current stimulation |
| Hummel 2005a | Not a genuine RCT |
| Hummel 2005b | Not a genuine RCT |
| Jayaram 2009 | Irrelevant outcome for review question 'motor evoked potentials' |
| Kasashima 2012 | Irrelevant outcome for review question 'event‐related desynchronisation' |
| Kharchenko 2001 | Irrelevant Intervention for review question 'transcranial alternating current stimulation' |
| Kitisomprayoonkul 2012 | Irrelevant outcome for review question 'sensation' |
| Kumar 2011 | Irrelevant intervention for review question: study did not evaluate impact of tDCS on upper limb/lower limb function and/or ADLs |
| Kwon 2012 | Not a genuine RCT |
| Lee 2012 | Irrelevant patients |
| Lefebvre 2013 | Not a genuine randomised controlled cross‐over trial |
| Lefebvre 2015 | Not a genuine randomised controlled cross‐over trial |
| Madhavan 2011 | Irrelevant outcome for review question 'accuracy index' |
| Manganotti 2011 | Not a genuine RCT |
| Ochi 2013 | Irrelevant comparison for review question: A‐tDCS versus C‐tDCS with no control group |
| Paquette 2011 | Irrelevant intervention for review question: tDCS was contaminated with rTMS at each stimulation session |
| Sheliakin 2006 | Not a genuine RCT |
| Stagg 2012a | Irrelevant outcome for review question 'response time' |
| Takeuchi 2012 | Irrelevant outcome for review question 'bimanual co‐ordination', as measured by tapping task |
| Zimerman 2012 | Not a genuine randomised controlled cross‐over trial |
A‐tDCS: anodal transcranial direct current stimulation ADLs: activities of daily living C‐tDCS: cathodal transcranial direct current stimulation RCT: randomised controlled trial rTMS: repetitive transcranial magnetic stimulation tDCS: transcranial direct current stimulation