Rectal Neoplasms

• Mayo Clinic Scottsdale — Scottsdale, Arizona, United States
• Cancer Care Center at John Muir Health - Concord Campus — Concord, California, United States
• Kaiser Permanente Medical Center - Los Angeles — Los Angeles, California, United States
• California Pacific Medical Center - California Campus — San Francisco, California, United States

• Mansoura oncology centre — Al Mansurah, Dakahlia Governorate, Egypt
• Mansoura university oncology centre — Al Mansurah, Dakahlia Governorate, Egypt

• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States

• Veterans Affairs Medical Center - Birmingham — Birmingham, Alabama, United States
• MBCCOP - Gulf Coast — Mobile, Alabama, United States
• CCOP - Greater Phoenix — Phoenix, Arizona, United States
• Veterans Affairs Medical Center - Phoenix (Hayden) — Phoenix, Arizona, United States

Not specified

• Institut National d'Oncologie — Rabat, Morocco

• CancerCare Manitoba — Winnipeg, Manitoba, Canada
• Kingston Regional Cancer Centre — Kingston, Ontario, Canada
• Ottawa Regional Cancer Centre — Ottawa, Ontario, Canada
• Toronto General Hospital — Toronto, Ontario, Canada

• CCOP - Scottsdale Oncology Program — Scottsdale, Arizona, United States
• CCOP - Illinois Oncology Research Association — Peoria, Illinois, United States
• CCOP - Carle Cancer Center — Urbana, Illinois, United States
• CCOP - Cedar Rapids Oncology Project — Cedar Rapids, Iowa, United States

• CH — Abbeville, France
• Centre Radiothérapie et Oncologie de Moyenne Garonne — Agen, France
• CHU — Amiens, France
• Centre Paul Papin — Angers, France

• CHU — Amiens, France
• CHU — Angers, France
• CH — Avignon, France
• CH — Beauvais, France