1. Department of Dermatology; CHU Caen; Caen F-14000 France
2. Université Caen Basse-Nomandie; Medical School; Caen F-14000 France
3. Department of Haematology; CHU Caen; Caen F-14000 France
4. Department of Biochemistry; CHU Caen; Caen F-14000 France