[1] Univ Hosp Schleswig Holstein, Dept Dermatol & Allergy, Ctr Inflammatory Skin Dis, Campus Kiel, Kiel, Germany
[2] TU Dresden, Med Fac Carl Gustav Carus, Univ Allergy Ctr, Dept Dermatol, Dresden, Germany
[3] TU Dresden, Ctr Evidence Based Healthcare, Univ Hosp, Dresden, Germany
[4] TU Dresden, Med Fac Carl Gustav Carus, Dresden, Germany
[5] Hannover Med Sch, Dept Dermatol & Allergy, Div Immunodermatol & Allergy Res, Hannover, Germany