Figure 1. Fibromyalgia symptom questionnaire. Adapted from reference 22: Wolfe F, Clauw DJ, Fitzcharles MA, et al. Fibromyalgia cri-teria and severity scales for clinical and epidemiological studies: a modification of the ACR Preliminary Diagnostic Criteria for Fibromyalgia. J Rheumatol. 2011;38(6):1113-1122. Copyright © 2011, The Journal of Rheumatology Publishing Company Limited.
