[1] Prob Med Res, Waterloo, ON, Canada
[2] K Papp Clin Res, 135 Union St E, Waterloo, ON N2J IC4, Canada
[3] Dr Chihho Hong Med, Surrey, BC, Canada
[4] Sunnybrook Hlth Sci Ctr, Div Dermatol, Toronto, ON, Canada
[5] Univ Toronto, Temerty Fac Med, Div Dermatol, Toronto, ON, Canada
[6] Hosp Sick Children, Div Paediat Med, Dermatol Sect, Toronto, ON, Canada
[7] Brunswick Dermatol Ctr, Fredericton, NB, Canada
[8] CCA Med Res, Ajax, ON, Canada
[9] Ottawa Hosp, Div Dermatol, Ottawa, ON, Canada
[10] Univ Ottawa, Div Dermatol, Ottawa, ON, Canada
[11] Innovaderm Res, Montreal, PQ, Canada