1. Department of Radiation Oncology, University of Pennsylvania School of Medicine, Philadelphia
2. currently, Department of Radiation Oncology, University of Washington School of Medicine, Seattle
3. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania School of Medicine, Philadelphia
4. Division of Nuclear Medicine and Clinical Molecular Imaging, Department of Radiology, University of Pennsylvania School of Medicine, Philadelphia
5. Department of Radiation Oncology, MD Anderson Cancer Center, Houston, Texas
6. Medical Affairs and Clinical Research, Elekta, Atlanta, Georgia
7. Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore
8. Division of Hematology-Oncology, Department of Internal Medicine, University of Pennsylvania School of Medicine, Philadelphia
9. Division of Hematology-Oncology, Department of Internal Medicine, Cleveland Clinic, Cleveland, Ohio
10. Division of Thoracic Surgery, Department of Surgery, University of Pennsylvania School of Medicine, Philadelphia
11. Division of Thoracic Surgery, Department of Surgery, University of Maryland School of Medicine, Baltimore