1 Harvard Medical School, Department of Dermatology, Center for Cutaneous Oncology, Dana-Farber/Brigham and Women's Cancer Center, 450 Brookline Avenue, Boston, MA 02115, USA. Electronic address: nleboeuf@bwh.harvard.edu.
2 Harvard Medical School, Department of Dermatology, Center for Cutaneous Oncology, Dana-Farber/Brigham and Women's Cancer Center, 450 Brookline Avenue, Boston, MA 02115, USA. Electronic address: clarocca@bwh.harvard.edu.