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Study design and pain location in CRPS patients. The top panel (A) shows the overall study design for CRPS and control (healthy) subjects involved in the study. Details of the multidisciplinary treatment are noted in the text; patients underwent medical evaluation, quantitative sensory testing (QST), and a functional MRI session. The bottom panel (B) shows the area affected in the lower extremity with the distribution of pain (red) and the area of maximal pain (gray square).
