[1] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[2] Univ Toronto, Dept Med, Div Dermatol, Toronto, ON, Canada
[3] Sunnybrook Hlth Sci Ctr, Dept Dermatol, Toronto, ON, Canada
[4] McMaster Univ, Dept Med, Div Dermatol, Hamilton, ON, Canada
[5] Dermatrials Res Inc, Hamilton, ON, Canada
[6] Venderm Consulting, Hamilton, ON, Canada
[7] Univ Calgary, Dept Med, Div Dermatol, Calgary, AB, Canada
[8] Dermatol Res Inst, Calgary, AB, Canada
[9] Skin Hlth & Wellness Ctr, Calgary, AB, Canada
[10] Univ Calgary, Dept Pediat, Sect Community Pediat, Calgary, AB, Canada
[11] Univ Calgary, Dept Pediat, Sect Pediat Rheumatol, Calgary, AB, Canada
[12] Prob Med Res, Waterloo, ON, Canada
[13] Sunnybrook Hlth Sci Ctr, Dept Dermatol, Toronto, ON, Canada
[14] Womens Coll Hosp, Dept Med, Toronto, ON, Canada
[15] Womens Coll Hosp, Div Dermatol, 76 Grenville St,5th floor, Toronto, ON M5S 1B2, Canada