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. 2022 Mar 1;31(8):2519–2534. doi: 10.1007/s11136-022-03106-1

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© The Author(s) 2022, corrected publication 2023

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Fig. 3 — Comparison of pre-, post- and follow-up treatment assessment of the eight SF-36 subscales for the different tDCS stimulation groups (M1, DLPFC, OIC and Sham). Higher scores indicate improvement in QoL