[1] Charite, Div Evidence Based Med dEBM, Klin Dermatol Venerol & Allergol, D-10117 Berlin, Germany
[2] Klinikum Johann Wolfgang Goethe Univ, Zentrum Dermatol & Venerol, Frankfurt, Germany
[3] Univ Klinikum Schleswig Holstein, Klin Dermatol, Kiel, Germany
[4] Klinikum Hanau, Haut U Allergieklin, Hanau, Germany
[5] Charite, Psoriasisstudienzentrum, Klin Dermatol Venerol & Allergol, D-10117 Berlin, Germany
[6] Dermatologikum Hamburg, Hamburg, Germany
[7] Univ Klinikum Hamburg Eppendorf, Klin & Poliklin Dermatol & Venerol, Hamburg, Germany
[8] Deutsch Psoriasis Bund eV, Hamburg, Germany
[9] Charite, Inst Klin Pharmakol & Toxikol, D-10117 Berlin, Germany
[10] Berolina Klin, Lohne, Germany