[1] Univ Toronto, Dept Med, Div Dermatol, Toronto, ON, Canada
[2] Womens Coll Hosp, 76 Grenville St, Toronto, ON M6B 1L6, Canada
[3] McMaster Univ, Michael G DeGroote Sch Med, Hamilton, ON, Canada
[4] Kings Coll London, St Johns Inst Dermatol, London, England
[5] Guys & St Thomas NHS Fdn Trust, London, England
[6] Univ Copenhagen, Bispebjerg Hosp, Dept Dermatol, Copenhagen, Denmark
[7] Kyoto Univ, Grad Sch Med, Dept Dermatol, Kyoto, Japan
[8] ASTAR, Singapore Immunol Network SIgN, Singapore, Singapore
[9] ASTAR, Skin Res Inst Singapore SRIS, Singapore, Singapore
[10] Innovaderm Res, Montreal, PQ, Canada
[11] Nelson R Mandela Sch Med, Dept Dermatol, Durban, South Africa
[12] Univ Sao Paulo, Med Sch, Dept Dermatol, Sao Paulo, Brazil
[13] Ctr Hosp Lyon Sud, Allergy & Clin Immunol Dept, Hosp Civils Lyon, Pierre Benite, France
[14] Univ Claude Bernard Lyon 1, CIRI Int Ctr Infectiol Res, INSERM, U1111,Ecole Normale Super Lyon,CNRS,UMR5308, Lyon, France