[1] Univ Duisburg Essen, Univ Hosp, Dept Dermatol, Essen, Germany
[2] Univ Tubingen, Dept Dermatol, Tubingen, Germany
[3] Elbekliniken, Dermatol Zentrum, Buxtehude, Germany
[4] Charite Campus Mitte, Univ Dept Dermatol, Berlin, Germany
[5] German Canc Res Ctr, Skin Canc Unit, Heidelberg, Germany
[6] Heidelberg Univ, Univ Med Ctr Mannheim, Dept Dermatol Venereol & Allergol, Mannheim, Germany
[7] Univ Munich LMU, Dept Dermatol, Munich, Germany
[8] Univ Hosp, Dept Dermatol, Erlangen, Germany
[9] Univ Hosp Schleswig Holstein, Kiel, Germany
[10] Dept Dermatol, Ludwigshafen, Germany
[11] Dept Dermatol, Kassel, Germany
[12] Dept Dermatol, Munster, Germany
[13] Dept Dermatol, Minden, Germany
[14] Dept Dermatol, Erfurt, Germany
[15] Univ Hosp UKSH, Dept Dermatol, Lubeck, Germany
[16] Univ Tubingen Hosp, Dept Dermatol, Tubingen, Germany
[17] Univ Dept Dermatol, Mainz, Germany