1. Imperial College Healthcare NHS Trust, London, UK
2. Department of Dermatology, Brigham and Women’s Hospital, Boston, MA, USA
3. Harvard Medical School, Boston, MA, USA
4. Center for Cutaneous Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
5. Department of Radiation Oncology, Brigham and Women’s Hospital, Boston, MA, USA
6. Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA