[1] Oregon Med Res Ctr, Portland, OR USA
[2] Dalhousie Univ, Div Clin Dermatol & Cutaneous Sci, Halifax, NS, Canada
[3] Univ Cattolica Sacro Cuore, Dermatol, Rome, Italy
[4] Hosp Gen Univ Dr Balmis, Dermatol Dept, ISABIAL, Alicante, Spain
[5] Kyoto Prefectural Univ Med, Grad Sch Med Sci, Kyoto, Japan
[6] Lyon Sud Hosp, Dept Allergol & Clin Immunol, Lyon, France
[7] INSERM, CIRI, U1111, Lyon, France
[8] Goethe Univ Frankfurt Main, Dept Dermatol Venereol & Allergol, Frankfurt, Germany
[9] Royal Free London Natl Hlth Serv Fdn Trust, London, England
[10] SKiN Ctr Dermatol, Peterborough, ON, Canada
[11] Queens Univ, Dept Dermatol, Kingston, ON, Canada
[12] LEO Pharma AS, Ballerup, Denmark
[13] Univ Med Ctr Hamburg Eppendorf, Inst Hlth Serv Res Dermatol & Nursing, Translat Res Inflammatory Skin Dis, Hamburg, Germany