1. Associate Professor, Department of Radiation Oncology; Moffitt Cancer Center; Tampa FL
2. Professor, Department of Gastrointestinal Oncology; Moffitt Cancer Center; Tampa FL
3. Professor, Department of Cancer Epidemiology; Moffitt Cancer Center; Tampa FL
4. Associate Professor, Department Medical Oncology; Vanderbilt University; Nashville TN
5. Professor and Chair, Department of Radiation Medicine; Oregon Health and Sciences University; Portland OR