Kiltz, U., A. Boonen, D. ´ sire´ e van der Heijde, W. Bautista-Molano, R. B. Vargas, P. Chiowchanwisawakit, B. El-Zorkany, I. Gaydukova, P. Geher, L. Gossec, et al.,  "Development of an environmental contextual factor item set relevant to global functioning and health in patients with axial spondyloarthritis",  Rheumatology (Oxford), vol. 61, issue 5, pp. 2054-2062, 2022.