RT Journal Article SR Electronic T1 Erratum: How common is clinically inactive disease in a prospective cohort of patients with juvenile idiopathic arthritis? The importance of definition JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1783 OP 1784 DO 10.1136/annrheumdis-2016-210511corr1 VO 76 IS 10 YR 2017 UL http://ard.bmj.com/content/76/10/1783.abstract AB