1. Section of Dermatology, Department of Medicine, University of Chicago Medical Center, Chicago, Illinois
2. Department of Pathology, University of Chicago Medical Center, Chicago, Illinois
3. Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, Tennessee
4. Section of Hematology/Oncology, University of Pittsburgh Medical Center, Hillman Cancer Center, Pittsburgh, Pennsylvania
5. Department of Radiation and Cellular Oncology, University of Chicago Medical Center, Chicago, Illinois