1. Department of Surgery, Colorectal Service, Memorial Sloan Kettering Cancer Center, New York, NY
2. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
3. Department of Medicine, Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY
4. Division of Colon and Rectal Surgery, Department of Surgery, University of South Florida, Tampa, FL
5. Division of General Surgery, Department of Surgery, University of Vermont, Burlington, VT
6. Department of Medicine, Comprehensive Cancer Center, University of Chicago, Chicago, IL
7. Division of Gastrointestinal and General Surgery, Oregon Health and Science University, Portland, OR
8. Department of Colorectal Surgery, Cleveland Clinic, Cleveland, OH
9. Division of Gastrointestinal Oncology, John Muir Cancer Institute, John Muir Health, Walnut Creek, CA
10. Division of General Surgery, Department of Surgery, University of Virginia, Charlottesville, VA
11. Methodist Hospital Physicians Clinic Colon and Rectal Surgery and The Creighton University Clinical Research Center, Omaha, NE
12. Department of Medicine, Fred Hutch Cancer Center, University of Washington, Seattle, WA
13. Department of Surgery, Washington University School of Medicine, St Louis, MO
14. Department of Surgery, St Joseph Hospital Orange County, Orange, CA
15. Section of Colon and Rectal Surgery, Department of Surgery, University of California, San Francisco, San Francisco, CA
16. Division of Colorectal Surgery, Department of Surgery, Medstar Washington Hospital Center, Washington, DC
17. Division of Colon and Rectal Surgery, Department of Surgery, University of California, Irvine, Irvine, CA
18. Department of Medicine, Rogel Cancer Center at the University of Michigan, Ann Arbor, MI
19. Division of Surgical Oncology, Department of Surgery, University of Colorado, Denver, CO
20. Division of Gastrointestinal Surgery, Department of Surgery, University of North Carolina, Chapel Hill, NC
21. Division of Colorectal Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY
22. Department of Radiation Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY
23. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
24. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY
25. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY