Wilburn J, McKenna SP, Twiss J, Rouse M, Korkosz M, Jancovic R, Nemec P, Pacheco-Tena CF, Saraux A, Westhovens R, Durez P, Martin M, Tammaru M. Further international adaptation and validation of the Rheumatoid Arthritis Quality of Life (RAQoL) questionnaire. Rheumatol Int. 2015 Apr;35(4):669-75. doi: 10.1007/s00296-014-3138-4