Investigation of a multi-biomarker disease activity score in rheumatoid arthritis by comparison with magnetic resonance imaging, computed tomography, ultrasonography, and radiography parameters of inflammation and damage

S. Krabbe^*, R. Bolce, C. Brahe Pedersen, U. M. Døhn, B. Ejbjerg, M. Hetland, E. Sasso, D. Chernoff, M. S. Hansen, L. Knudsen, A. Hansen, O. R. Madsen, M. Hasselquist, J. Møller, M. Østergaard

^*Corresponding author for this work