Applies the 2010 ACR fibromyalgia diagnostic criteria using the Widespread Pain Index (WPI, 0–19) and Symptom Severity Scale (SS, 0–12). Fibromyalgia is diagnosed if: WPI ≥7 and SS ≥5, OR WPI 3–6 and SS ≥9. Symptoms must be present for ≥3 months.
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