[1] Dalhousie Univ, Fac Med, Halifax, NS, Canada
[2] Dalhousie Univ, Dept Comp Sci, Hlth Informat, Halifax, NS, Canada
[3] McMaster Childrens Hosp, Div Pediat Rheumatol, Hamilton, ON, Canada
[4] McMaster Univ, Hamilton, ON, Canada
[5] Childrens Hosp Eastern Ontario, Ottawa, ON, Canada
[6] Univ Ottawa, Ottawa, ON, Canada
[7] BC Childrens Hosp, Vancouver, BC, Canada
[8] IWK Hlth Ctr, Halifax, NS, Canada
[9] IWK Hlth Ctr, Pediat, Halifax, NS, Canada
[10] Hosp Sick Children, Div Rheumatol, Toronto, ON, Canada
[11] Stollery Childrens Hosp, Edmonton, AB, Canada
[12] Childrens Hosp Eastern Ontario, Rheumatol, Ottawa, ON, Canada
[13] IWK Hlth Ctr, Dept Pediat, Halifax, NS, Canada
[14] IWK Hlth Ctr, Dept Rheumatol, Halifax, NS, Canada