1. Department of Dermatology, Massachusetts General Hospital , Boston, MA, USA
2. Department of Dermatology, Harvard Medical School , Boston, MA, USA
3. Department of Biomedical Informatics, Harvard Medical School , Boston, MA, USA
4. Department of Medicine, Dana Farber Cancer Institute , Boston, MA, USA
5. Department of Medicine, Division of Oncology, Massachusetts General Hospital , Boston, MA, USA
6. Department of Dermatology, Johns Hopkins University , Baltimore, MD, USA