Salaffi, F., Ciapetti, A., Sarzi Puttini, P., Atzeni, F., Iannuccelli, C., Di Franco, M., Cazzola, M., & Bazzichi, L. (2012). Preliminary identification of key clinical domains for outcome evaluation in fibromyalgia using the Delphi method: the Italian experience. Reumatismo, 64(1), 27-34. https://doi.org/10.4081/reumatismo.2012.27