Fig. 2From: Central mechanisms of real and sham electroacupuncture in the treatment of chronic low back pain: study protocol for a randomized, placebo-controlled clinical trialStandard protocol items: recommendation for interventional trials (SPIRIT) figure (required for study protocols). Wk, week; MINI, Mini International Neuropsychiatric Interview; QST, quantitative sensory testing; fMRI, functional magnetic resonance imagingBack to article page