[1] Inst Univ Med Ctr Gottingen, Informat Network Dept Dermatol IVDK, Gottingen, Germany
[2] Tech Univ Dresden, Med Fac Carl Gustav Carus, Clin & Policlin Dermatol, Dresden, Germany
[3] Erlangen Univ Hosp, Dept Dermatol, Erlangen, Germany
[4] BG Trauma Hosp Hamburg, Dermatol Ctr, Hamburg, Germany
[5] Ruhr Univ Bochum, St Josef Hosp, Dept Dermatol Venereol & Allergol, Bochum, Germany
[6] Univ Med Ctr, Dept Dermatol, Occupat Dermatol, Heidelberg, Germany
[7] Bielefeld Med Ctr, Dept Dermatol, Bielefeld, Germany
[8] Johannes Gutenberg Univ Mainz, Dept Dermatol, Mainz, Germany
[9] Univ Med Ctr Gottingen, Dept Dermatol Venereol & Allergol, Gottingen, Germany
[10] Univ Bern, Bern Univ Hosp, Inselspital, Dept Dermatol, Bern, Switzerland
[11] Acad Teaching Hosp Dresden Friedrichstadt, Dept Dermatol & Allergol, Dresden, Germany
[12] Martin Luther Univ Halle Wittenberg, Dept Dermatol & Venereol, Halle, Saale, Germany
[13] Dermatologikum Hamburg, Dept Allergol Photodermatol & Occupat Dermatol, Hamburg, Germany
[14] SLK Hosp Heilbronn, Dept Dermatol, Heilbronn, Germany