1. Department of Radiation Oncology Penn State Cancer Institute Hershey Pennsylvania
2. Department of Radiation Oncology Icahn School of Medicine at Mount Sinai New York New York
3. Department of Radiation Oncology Mayo Clinic Jacksonville Florida
4. Department of Surgery Penn State College of Medicine Hershey Pennsylvania
5. Department of Public Health Sciences Penn State College of Medicine Hershey Pennsylvania
6. Department of Radiation Oncology Memorial Sloan Kettering Cancer Center New York New York