1. Dermatology Service Memorial Sloan Kettering Cancer Center New York New York USA
2. Department of Dermatology Weill Cornell Medicine New York New York USA
3. Department of Dermatology University of California San Francisco California USA
4. Dermatology and Skin Cancer Department, La Timone Hospital, Assistance Publique‐Hôpitaux de Marseille Aix‐Marseille University Marseille France
5. Centre de Recherche en Cancerologie de Marseille, Inserm UMR1068, CNRS UMR7258 Aix‐Marseille University Marseille France
6. Aix Marseille Univ Université de Marseille, CNRS UMR 7020, LIS Marseille France
7. Dermatology and Laser Centre Studio City California USA
8. Physical Sciences Inc Andover Massachusetts USA
9. Department of Pathology Memorial Sloan Kettering Cancer Center New York New York USA