[1] Univ Newcastle, Sch Biosci & Pharm, 10 Chittaway Rd, Ourimbah, NSW 2258, Australia
[2] Queen Margaret Univ, Sch Hlth Sci, Edinburgh, Midlothian, Scotland
[3] Univ Newcastle, Sch Hlth Sci, Callaghan, NSW, Australia
[4] Univ Vic, Cent Univ Catalonia, Res & Innovat, Manresa, Barcelona, Spain
[5] Sydney Childrens Hosp Network Randwick & Westmead, Dept Rheumatol, Sydney, NSW, Australia
[6] John Hunter Childrens Hosp, Dept Rheumatol, Newcastle, NSW, Australia
[7] Univ Sydney, Discipline Child & Adolescent Hlth, Sydney, NSW, Australia
[8] Univ New South Wales, Sch Womens & Childrens Hlth, Sydney, NSW, Australia