[1] Univ South Australia, Sch Pharm & Med Sci, Adelaide, SA, Australia
[2] Royal Adelaide Hosp, Rheumatol Unit, Adelaide, SA, Australia
[3] Royal Adelaide Hosp, Adelaide, SA, Australia
[4] Royal Adelaide Hosp, Dept Rheumatol, Adelaide, SA, Australia
[5] Univ Adelaide, Dept Med, Adelaide, SA, Australia
[6] Queen Elizabeth Hosp, Adelaide, SA, Australia
[7] Univ Adelaide, Adelaide, SA, Australia