[1] Oregon Med Res Ctr, Portland, OR USA
[2] Ludwig Maximilian Univ Munich, Dept Dermatol & Allergol, Munich, Germany
[3] Guys & St Thomas Hosp, St Johns Inst Dermatol, London, England
[4] Catholic Univ, Dermatol, Rome, Italy
[5] IRCCS, Fdn Policlin Univ A Gemelli, Rome, Italy
[6] Univ Southern Calif, Keck Sch Med, Dept Dermatol, Los Angeles, CA 90007 USA
[7] Verac Clin Res, Brisbane, Qld, Australia
[8] Prob Med Res, Woolloongabba, Qld, Australia
[9] Nippon Med Sch, Dept Dermatol, Tokyo, Japan
[10] Prob Med Res, Lynde Dermatol, Markham, ON, Canada
[11] Univ Toronto, Dept Med, Toronto, ON, Canada
[12] Hosp Univ La Paz, Dept Dermatol, Madrid, Spain
[13] Ctr Hosp Univ Nantes, Nantes, France
[14] Oregon Hlth & Sci Univ, Dept Dermatol, Portland, OR 97201 USA