1. Huntsman Cancer Institute University of Utah Health Sciences Center Salt Lake City Utah USA
2. Department of Dermatology University of Utah Health Sciences Center Salt Lake City Utah USA
3. Department of Dermatology Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA
4. Department of Dermatology VA Integrated Service Network (VISN‐1) Jamaica Plain Massachusetts USA
5. Department of Dermatology Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA
6. Department of Dermatology Tufts Medical Center Boston Massachusetts USA
7. Departments of Dermatology University of Pittsburgh, UPMC Hillman Cancer Center Pittsburgh Pennsylvania USA
8. Departments of Medicine University of Pittsburgh, UPMC Hillman Cancer Center Pittsburgh Pennsylvania USA