Response to: 'Calprotectin is not independent from baseline erosion in predicting radiological progression in early rheumatoid arthritis' by Chevreau et al

Affiliations

• ¹ Bergen Group of Epidemiology and Biomarkers in Rheumatic Disease, Department of Rheumatology, Haukeland University Hospital, Bergen, Norway.
• ² Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway.
• ³ Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen, Bergen, Norway.
• ⁴ Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands.
• ⁵ Institute of Health and Society, University of Oslo, Oslo, Norway.