Validation of the OMERACT Magnetic Resonance Imaging Joint Space Narrowing Score for the Wrist in a Multireader Longitudinal Trial

From the Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Glostrup Hospital, University of Copenhagen and Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Rheumatology, Diakonhjemmet Hospital, University of Oslo, Oslo, Norway; Sheba Medical Center, Tel Aviv University, Tel Aviv, Israel; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and UK National Institute for Health Research (NIHR) Leeds Musculoskeletal Biomedical Research Unit, UK; Spire Sciences Inc., Boca Raton, Florida, USA; Department of Rheumatology, Pitié Salpêtrière Hospital, APHP, Université Paris 6-UPMC, Paris, France; University of New South Wales, Sydney, Australia; Medicine and Orthopedics, University of California, San Francisco, and Synarc Inc., San Francisco, California, USA.