1. Harvard-MIT Health Sciences and Technology (HST), Harvard Medical School, Boston, MA, USA
2. Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, USA
3. Department of Biostatistics, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA
4. Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
5. Melanoma Program, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
6. Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
7. Merck Research Laboratories, Clinical Oncology, North Wales, PA, USA