1. Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
2. Melanoma Unit, Department of Dermatology, Hospital Clinic, University of Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain3Centro de Investigación Biomédica en Red de Enfermedades Raras, Instituto de Salud Carlos III, B
3. Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York4Department of Dermatology, Sheba Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel