[1] Univ Linz, Dept Dermatol, Linz, Austria
[2] Ordensklinikum Linz, Dept Internal Med Hematol Stem Cell Transplantat, Linz, Austria
[3] Ordensklinikum Linz, Dept Dermatol, Linz, Austria
[4] Med Univ Graz, Dept Dermatol, Graz, Austria
[5] Univ Lausanne, Dept Dermatol, Lausanne, Switzerland
[6] Univ Lausanne, Fac Biol & Med, Lausanne, Switzerland