[1] Municipal Hosp Hietzing, Dept Dermatol, Wolkersbergenstr 1, A-1130 Vienna, Austria
[2] Med Univ Vienna, Dept Dermatol, Vienna, Austria
[3] Klinikum Wels Grieskirchen, Dept Dermatol & Venerol, Wels, Austria
[4] Kepler Univ Hosp, Dept Dermatol, Linz, Austria
[5] Danube Private Univ, Fac Med & Dent, Krems An Der Donau, Austria
[6] Dept Dermatol, Klin Landstr, Vienna, Austria
[7] Med Univ Graz, Dept Dermatol, Graz, Austria
[8] Amgen GmbH, Vienna, Austria
[9] Hemetsberger Med Serv, Vienna, Austria
[10] Amgen Inc, Thousand Oaks, CA USA