[1] Univ Lubeck, Dept Dermatol, Ratzeburger Allee 160, D-23538 Lubeck, Germany
[2] Univ Lubeck, Lubeck Inst Expt Dermatol, Lubeck, Germany
[3] Univ Hosp Erlangen, Dept Dermatol, Erlangen, Germany
[4] Univ Hosp Munich LMU, Dept Dermatol & Venereol, Munich, Germany
[5] Philipps Univ Marburg, Dept Dermatol & Allergol, Marburg, Germany
[6] Univ Hosp Wurzburg, Dept Dermatol Venereol & Allergol, Wurzburg, Germany
[7] Helios Univ Hosp Wuppertal, Dept Dermatol Allergol & Dermatosurg, Wuppertal, Germany
[8] Univ Cologne, Dept Dermatol & Venereol, Cologne, Germany
[9] Univ Freiburg, Dept Dermatol, Med Ctr, Freiburg, Germany
[10] Charite Univ Med Berlin, Berlin, Germany
[11] Free Univ Berlin, Berlin, Germany
[12] Humboldt Univ, Berlin, Germany
[13] Berlin Inst Hlth, Div Evidence Based Med dEBM, Dept Dermatol Venereol & Allergy, Berlin, Germany
[14] Gilead Sci GmbH, Martinsried, Germany
[15] Berlin Inst Hlth, Inst Klin Pharmakol & Toxikol, Berlin, Germany
[16] Univ Hosp Ulm, Dept Dermatol & Allergol, Ulm, Germany
[17] Univ Hosp, Pediat Immunol & Rheumatol, Leipzig, Germany
[18] Outpatient Clin Pediat, Leipzig, Germany
[19] Berlin Inst Hlth, Dept Dermatol Venereol & Allergy, Allergy Ctr, Berlin, Germany