[1] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[2] Univ Calgary, Dept Med, Div Dermatol, Calgary, AB, Canada
[3] Dermatol Res Inst, Calgary, AB, Canada
[4] Univ Toronto, Dept Med, Div Dermatol, Toronto, ON, Canada
[5] Skin Hlth & Wellness Ctr, Calgary, AB, Canada
[6] Prob Med Res, Waterloo, ON, Canada
[7] Womens Coll Hosp, Dept Med, Div Dermatol, Toronto, ON, Canada
[8] Sunnybrook Hlth Sci Ctr, Dept Med, Div Dermatol, Toronto, ON, Canada
[9] Univ Calgary, Dept Pediat, Sect Community Pediat, Calgary, AB, Canada
[10] Univ Calgary, Dept Pediat, Sect Pediat Rheumatol, Calgary, AB, Canada