[1] Univ Med Ctr Hamburg Eppendorf UKE, Inst Hlth Serv Res Dermatol & Nursing IVDP, German Ctr Hlth Serv Res Dermatol, Hamburg, Germany
[2] Univ Med Ctr Schleswig Holstein, Psoriasis Ctr, Dept Dermatol, Campus Kiel, Kiel, Germany
[3] Univ Hosp Bonn, Clin & Polyclin Dermatol & Allergol, Bonn, Germany
[4] Eli Lilly & Co, Indianapolis, IN USA
[5] Med Univ Vienna, Dept Dermatol, Vienna, Austria
[6] HaaPACS GmbH, Schriesheim, Germany
[7] Goethe Univ Frankfurt, Ctr Innovat Diagnost & Therapy Rheumatol Immunol, Frankfurt, Germany
[8] Univ Hosp Frankfurt, Dept Dermatol Venereol & Allergol, Frankfurt, Germany
[9] Univ Med Ctr Hamburg Eppendorf, German Ctr Hlth Serv Res Dermatol, Martinistr 52, D-20246 Hamburg, Germany