[1] Univ Lubeck, Dept Dermatol, Lubeck, Germany
[2] Kagoshima Univ, Grad Sch Med & Dent Sci, Dept Dermatol, Kagoshima 890, Japan
[3] Univ Manchester, Salford Royal NHS Fdn Trust, Dermatol Ctr, Manchester, Lancs, England
[4] Univ Manchester, Inst Inflammat & Repair, Manchester, Lancs, England