[1] Univ Seville, Hlth & Terr Res HTR, Seville, Spain
[2] La Paz Univ Hosp, Idi Paz, Madrid, Spain
[3] Novartis Pharma AG, Patient Engagement, Basel, Switzerland
[4] Cardiff Univ, Sch Healthcare Sci, Cardiff, Wales
[5] Axial Spondyloarthrit Int Fed ASIF, London, England
[6] Cyprus League Rheumatism CYPLAR, Nicosia, Cyprus
[7] Charite Univ Med Berlin, Dept Rheumatol, Berlin, Germany