1. Department of Dermatology Ambroise Paré Hospital Boulogne‐Billancourt France
2. Research Unit EA 4340 “Biomarkers in Cancerology and in Hemato‐oncology” University of Versailles‐Saint‐Quentin‐en‐Yvelines, Université Paris‐Saclay Boulogne‐Billancourt France
3. Department of Pathology Ambroise Paré Hospital Boulogne‐Billancourt France