[1] Hosp Sick Children, Toronto, ON, Canada
[2] Ctr Computat Med, Toronto, ON, Canada
[3] Univ Toronto, Hosp Sick Children, Div Rheumatol, Dept Pediat, Toronto, ON, Canada
[4] Hosp Sick Children, Div Rheumatol, Toronto, ON, Canada
[5] SickKids Res Inst, Toronto, ON, Canada
[6] Univ Toronto, Res Inst, Hosp Sick Children, Divis Rheumatol,Translat Med,Dept Paediat, Toronto, ON, Canada
[7] Univ Toronto, Child Hlth Evaluat Sci, Res Inst, Div Rheumatol,Hosp Sick Children,Dept Paediat, Toronto, ON, Canada