J Rheumatol 2017 08 15;44(8):1179-1183. Epub 2017 May 15.
From the Rheumatology Clinic, Department of Medical and Biological Sciences, Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine; Rheumatology Unit, Department of Internal Medicine, University of Pisa, Pisa; Rheumatology Unit, Sapienza University of Rome, Rome; Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Perugia, Perugia; Rheumatology Unit, University of L'Aquila, L'Aquila, Italy.