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. 2017 Jun 6;12:937–947. doi: 10.2147/CIA.S133423

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© 2017 Harvey et al. This work is published and licensed by Dove Medical Press Limited

The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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The average daily pain for sham and active treatment groups gathered using the pain logbook. T1 represents the 7 days of baseline, T2 corresponds to the 5 days of tDCS treatments and T3 represents the 7 days of follow-up. Each point represents a group mean ± standard error of mean. There was a significant difference between T1 and T2 in the active tDCS group and between T1 and T3 in sham tDCS group. *Statistically significant (P<0.05).

Abbreviations: tDCS, transcranial direct current stimulation; T1, baseline; T2, tDCS treatments; T3, follow-up.