1. Department of Dermatology; Faculty of Medicine; University of Debrecen; Debrecen Hungary
2. Department of Preventive Medicine; Faculty of Public Health; University of Debrecen; Debrecen Hungary
3. Department of Dermatology; Department of Cell Biology; Roswell Park Comprehensive Cancer Center; Buffalo NY USA
4. Department of Surgery; Transplantation Centre; Faculty of Medicine; University of Debrecen; Debrecen Hungary