Patient-reported Outcomes and Adult Patients’ Disease Experience in the Idiopathic Inflammatory Myopathies. Report from the OMERACT 11 Myositis Special Interest Group

From the Department of Neuroscience, Care Science and Society, Division of Physical Therapy, Karolinska Institutet, Stockholm, Sweden; Department of Rheumatology, Klinik St. Katharinental, Diessenhofen, Switzerland; Division of Rheumatology, Johns Hopkins University, Baltimore; Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA; Division of Rheumatology, Rheumatology Unit, Department of Medicine, Karolinska University Hospital in Solna, Karolinska Institutet, Stockholm, Sweden; Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.