1. Department of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston
2. Alliance for Clinical Trials in Oncology Statistics and Data Center, Mayo Clinic, Rochester, Minnesota
3. Department of Surgery, University of Cincinnati, Cincinnati, Ohio
4. Department of Radiation Oncology, Johns Hopkins University, Baltimore, Maryland
5. Department of Medical Oncology, NorthShore University HealthSystem, University of Chicago, Chicago, Illinois
6. Department of Medical Oncology, University of California–San Francisco, San Francisco
7. Department of Radiology, Columbia University, New York, New York
8. Department of Pathology, Ohio State University, Columbus
9. Department of Surgery, University of Louisville, Louisville, Kentucky
10. Department of Surgery, Ochsner Medical Center, New Orleans, Louisiana
11. Department of Surgery, Mayo Clinic, Rochester, Minnesota
12. Department of Medical Oncology, University of Chicago, Chicago, Illinois
13. Department of Surgery, University of California, San Diego
14. Department of Medical Oncology, Ohio State University, Columbus
15. Department of Medical Oncology, Karmanos Cancer Center, Detroit, Michigan
16. Department of Surgery, NorthShore University HealthSystem, University of Chicago, Chicago, Illinois
17. Department of Medical Oncology, Vanderbilt University, Nashville, Tennessee
18. Department of Medical Oncology, University of Wisconsin–Madison, Madison, Wisconsin
19. Department of Surgery, Wake Forest University, Winston Salem, North Carolina
20. Department of Surgery, Fox Chase Cancer Center, Philadelphia, Pennsylvania