[1] Hosp Sick Children, Res Inst, Child Hlth Evaluat Sci, 686 Bay St,Room 06-9715, Toronto, ON M5G 0A4, Canada
[2] Childrens Hosp, London Hlth Sci Ctr, Div Rheumatol, London, ON, Canada
[3] Childrens Hosp Eastern Ontario Res Inst, Ottawa, ON, Canada
[4] Hosp Sick Children, Dept Rheumatol, Toronto, ON, Canada
[5] Univ Ottawa, Fac Hlth Sci, Sch Nursing, Ottawa, ON, Canada
[6] IWK Hlth Ctr, Div Pediat Rheumatol, Halifax, NS, Canada
[7] Childrens Hosp Eastern Ontario, Div Rheumatol, Ottawa, ON, Canada
[8] Alberta Childrens Prov Gen Hosp, Calgary, AB, Canada
[9] Univ Calgary, Cumming Sch Med, Dept Pediat, Sect Rheumatol, Calgary, AB, Canada
[10] British Columbia Childrens Hosp, Div Rheumatol, Vancouver, BC, Canada
[11] Univ Hlth Network, Toronto, ON, Canada
[12] Univ Toronto, Lawrence S Bloomberg Fac Nursing, Toronto, ON, Canada
[13] Hosp Sick Children, Div Gastroenterol Hepatol & Nutr, Toronto, ON, Canada