Affiliation: | (1) Institute of Pathology, University of Hamburg, Martinistr. 52, D-2000 Hamburg 2, Germany;(2) Recherche Dermatologique et Immunologie, Unité INSERM, Lyon;(3) Dept. of Hematology and Oncology, The Hospital for Sick Children, University of Hamburg, Hamburg, Germany;(4) Dept. of Dermatology, University of Hamburg, Hamburg, Germany |