'Evaluation of the impact of concomitant fibromyalgia on TNF alpha blockers' effectiveness in axial spondyloarthritis: results of a prospective, multicentre study' by Moltó et al: still a long way to go in the assessment of patients with spondyloarthritis and concomitant fibromyalgia?. Issue 5 (23rd March 2018) - Altobelli, Alessio; Scrivo, Rossana; Valesini, Guido