Colorectal Neoplasms

• University of Kansas Medical Center — Kansas City, Kansas, United States
• Cancer Center of Kansas — Wichita, Kansas, United States
• Peggy and Charles Stephenson Oklahoma Cancer Center — Oklahoma City, Oklahoma, United States

• Cancer Treamtent Centers of America at Southwestern Regional Medical Center, Inc — Tulsa, Oklahoma, United States

Not specified

• Heartland International Health Center — Chicago, Illinois, United States

• Hospital BHB St. Veit/Glan, Surgery — Saint Veit A. D. Glan, Carinthia, Austria
• Hospital Wiener Neustadt — Wiener Neustadt, Lower Austria, Austria
• Paracelsus Medical University Salzburg - Oncology — Salzburg, State of Salzburg, Austria
• Medical University of Vienna, Radiotherapy — Vienna, State of Vienna, Austria

• Advanced Clinical Research Institute — Anaheim, California, United States
• Advanced Clinical Research Institute — Orange, California, United States
• Indiana University Medical Center — Indianapolis, Indiana, United States
• Gastrointestinal Associates — Jackson, Mississippi, United States

• H. Lee Moffitt Cancer Center & Research Institute — Tampa, Florida, United States

• Wakayama Medical University, Second Department of Surgery — Kimiidera, Wakayama, Japan

• City of Hope Medical Center — Duarte, California, United States

• Warren Grant Magnuson Clinical Center - NCI Clinical Trials Referral Office — Bethesda, Maryland, United States