A patient-derived and patient-reported outcome measure for assessing psoriatic arthritis: elaboration and preliminary validation of the Psoriatic Arthritis Impact of Disease (PsAID) questionnaire, a 13-country EULAR initiative
Laure Gossec, Maarten de Wit, Uta Kiltz, Juergen Braun, Umut Kalyoncu, Rossana Scrivo, Mara Maccarone, Laurence Carton, Kati Otsa, Imre Sooäär, Turid Heiberg, Heidi Bertheussen, Juan D Cañete, Anselm Sánchez Lombarte, Andra Balanescu, Alina Dinte, Kurt de Vlam, Josef S Smolen, Tanja Stamm, Dora Niedermayer, Gabor Békés, Douglas Veale, Philip Helliwell, Andrew Parkinson, Thomas Luger, Tore K Kvien, On behalf of the EULAR PsAID Taskforce
Annals of the Rheumatic Diseases Jun 2014, 73 (6) 1012-1019; DOI: 10.1136/annrheumdis-2014-205207
