1. Department of Radiation and Cellular Oncology; University of Chicago Medical Center; Chicago Illinois
2. Department of Health Studies; University of Chicago; Chicago Illinois
3. Department of Oral and Maxillofacial Surgery; University of Illinois Hospital and Health Sciences System; Chicago Illinois
4. Department of Otolaryngology-Head and Neck Surgery; University of Illinois Hospital and Health Sciences System; Chicago Illinois
5. Section of Hematology and Oncology; University of Illinois Hospital and Health Sciences System; Chicago Illinois
6. Department of Radiation Oncology; University of Illinois Hospital and Health Sciences System; Chicago Illinois