Affiliation: | 1. Department of Dermatology, Mayo Clinic, Rochester, Minnesota;2. Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota;3. Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida;4. Department of Radiation Oncology, Mayo Clinic, Scottsdale, Arizona;5. Department of Dermatology, Mayo Clinic, Scottsdale, Arizona;6. Department of Dermatology, University of Minnesota, Minneapolis, Minnesota |