1. Department of Dermatology, Yale School of Medicine, New Haven, Connecticut
2. Department of Dermatology, Yale School of Medicine, New Haven, Connecticut2Department of Pathology, Yale School of Medicine, New Haven, Connecticut
3. Section of Medical Oncology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
4. Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois