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Publisher's Note: Error in Article

Posted by PLOS_ONE_Group on 07 May 2013 at 18:49 GMT

In the section "tDCS Stimulation" the second sentence should have read:

Current was delivered by electrodes encased in sponge pads (35 cm2) soaked with 0.9% (155 mMol) saline solution.

No competing interests declared.