1. Departments of Dermatology, Centre Hospitalier Universitaire De Liege, Belgium
2. Departments of Dermatopathology, Centre Hospitalier Universitaire De Liege, Belgium
3. Departments of Genetics, and Centre Hospitalier Universitaire De Liege, Belgium
4. Departments of Hematology, Chu Du Sart Tilman, University of Liège, Liège, Belgium