[1] Christian Albrechts Univ Kiel Klinikum, Abt Dermatol Venereol & Allergol, Kiel, Germany
[2] Univ Utah, Hlth Sci Ctr, Dept Dermatol, Salt Lake City, UT USA
[3] Biogen Inc, Nanterre, France
[4] Univ Manchester, Dermatol Ctr, Hope Hosp, Manchester, Lancs, England