Kingsbury, S. R., Corp, N., Watt, F. E., Felson, D. T., O’Neill, T. W., Holt, C. A., Jones, R. K., Conaghan, P. G., Osteoarthritis, A. R. U., Clinical Studies Group working group, C. D., & Arden, N. K. (2016). Harmonising data collection from osteoarthritis studies to enable stratification: recommendations on core data collection from an Arthritis Research UK clinical studies group. Rheumatology, 55(8), 1394-1402. https://doi.org/10.1093/rheumatology/kew201