Rectal Diseases

• CCOP - Scottsdale Oncology Program — Scottsdale, Arizona, United States
• Beckman Research Institute, City of Hope — Los Angeles, California, United States
• Veterans Affairs Medical Center - Palo Alto — Palo Alto, California, United States
• Stanford University Medical Center — Stanford, California, United States

• Francesk Mulita — Pátrai, Achaia, Greece

• Klinikum Esslingen — Esslingen am Neckar, Baden-Wurttemberg, Germany
• SLK-Kliniken Heilbronn GmbH — Heilbronn, Baden-Wurttemberg, Germany
• Ortenau Klinikum — Lahr, Baden-Wurttemberg, Germany
• Klinikum Ludwigsburg — Ludwigsburg, Baden-Wurttemberg, Germany

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States
• Seattle Cancer Care Alliance — Seattle, Washington, United States

• Ahmad — Al Mansurah, Egypt

Not specified

• Taipei Medical University — Taipei, Taiwan

• Albert Einstein College of Medicine — The Bronx, New York, United States

• Fudan University Shanghai Cancer Center — Shanghai, Shanghai Municipality, China

• Research Site — Fayetteville, Arkansas, United States
• Research Site — Fresno, California, United States
• Research Site — Denver, Colorado, United States
• Research Site — New Haven, Connecticut, United States