1. Department of Dermatology; Tel Aviv Sourasky Medical Center; Tel Aviv Israel
2. Department of Pathology; Tel Aviv Sourasky Medical Center; Tel Aviv Israel
3. Department of Dermatology; University of Luebeck; Luebeck Germany
4. Department of Dermatology; Kurume University School of Medicine and Kurume University Institute of Cutaneous Cell Biology; Kurume Fukuoka Japan