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. 2023 Jan 24;16:187–203. doi: 10.2147/JPR.S384373

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© 2023 Schein et al.

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Timeline of procedure of the study.

Abbreviations: ACR, American College of Rheumatology revised criteria; STAI, State-Trait Anxiety Inventory; PSQI, Pittsburgh Sleep Quality Index; BDI-II, Beck Depression Inventory, Second Edition; CSI, Central Sensitization Inventory; BP-PCS, Brazilian Portuguese Pain Catastrophizing Scale; a-tDCS, anodal transcranial direct-current stimulation.