[1] Univ Oxford, Botnar Res Ctr, Windmill Rd, Oxford OX3 7LD, England
[2] Neil Betteridge Associates, London, England
[3] RTI Hlth Solut, Patient Ctr Outcomes Assessment Grp, Res Triangle Pk, NC USA
[4] Pfizer Inc, Hlth Econ & Outcomes Res, Patient & Hlth Impact, Collegeville, PA USA
[5] Altoona Ctr Clin Res, Duncansville, PA USA
[6] Ctr Paulista Invest Clin, Dept Rheumatol, Sao Paulo, SP, Brazil
[7] RTI Hlth Solut, Patient Ctr Outcomes Assessment Grp, Manchester, Lancs, England
[8] Pfizer Inc, Xeljanz Rheumatol Inflammat & Immunol Med Affairs, New York, NY USA
[9] Pfizer Inc, Med Affairs Int Developed Markets Inflammat & Imm, Ballerup, Denmark
[10] Pfizer Inc, Med Affairs Latin Amer, New York, NY USA
[11] Pfizer Inc, Stat Res & Data Sci Ctr, Groton, CT 06340 USA
[12] Pfizer Inc, Global Med Affairs, Montreal, PQ, Canada