[1] Polytech Inst Coimbra, ESTESC Coimbra Hlth Sch, Farm, Coimbra, Portugal
[2] QLV Res Consulting, Coimbra, Portugal
[3] Nursing Sch Lisbon ESEL, Nursing Res Innovat & Dev Ctr Lisbon CIDNUR, Lisbon, Portugal
[4] Ctr Hosp Univ Coimbra, Rheumatol Dept, Coimbra, Portugal
[5] Nursing Sch Coimbra ESEnfC, Hlth Sci Res Unit Nursing UICiSA, Coimbra, Portugal
[6] ACES BM ARS Ctr, Coimbra, Portugal
[7] Ctr Hosp Univ Coimbra, Orthopedy Dept, Coimbra, Portugal
[8] Natl & Kapodistrian Univ Athens, Joint Acad Rheumatol programme, Propedeut & Internal Med Clin 1, Athens, Greece
[9] Nicosia Gen Hosp Cyprus, Rheumatol Dept, Nicosia, Cyprus
[10] Univ Cyprus, Med Sch, Nicosia, Cyprus
[11] Cyprus League People Rheumatism, Nicosia, Cyprus
[12] Kings Coll London, Ctr Rheumat Dis, London, England
[13] Kings Coll Hosp London, Dept Rheumatol, London, England