[1] Univ Manchester, Manchester Acad Hlth Sci Ctr, Arthrit Res UK Ctr Epidemiol, Manchester, Lancs, England
[2] Univ Hosp Bristol NHS Fdn Trust, Pediat Rheumatol, Bristol, Avon, England
[3] Univ Bristol, Sch Clin Sci, Ophthalmol, Bristol, Avon, England
[4] Manchester Univ NHS Fdn Trust, Manchester Acad Hlth Sci Ctr, Natl Inst Hlth Res Manchester Musculoskeletal Bio, Manchester, Lancs, England