Rectal Neoplasms

• USC/Norris Comprehensive Cancer Center — Los Angeles, California, United States
• Veterans Affairs Outpatient Clinic - Martinez — Martinez, California, United States
• University of California Davis Medical Center — Sacramento, California, United States
• CCOP - Central Illinois — Decatur, Illinois, United States

• Robert H. Lurie Comprehensive Cancer Center, Northwestern University — Chicago, Illinois, United States

• Robert H. Lurie Comprehensive Cancer Center, Northwestern University — Chicago, Illinois, United States

• Kantonsspital Graubuenden — Chur, Switzerland
• Hopital Cantonal Universitaire de Geneve — Geneva, Switzerland
• Hirslanden Klinik Aarau — Lausanne, Switzerland
• City Hospital Triemli — Zurich, Switzerland

• Kantonspital Aarau — Aarau, Switzerland
• Hirslanden Klinik Aarau — Aarau, Switzerland
• Praxis Dr. Streit — Baden, Switzerland
• Kantonsspital Baden — Baden, Switzerland

Not specified

• Institut Sainte Catherine — Avignon, France
• Hopital Duffaut — Avignon, France
• C.H.G. Beauvais — Beauvais, France
• Hopital Saint Andre — Bordeaux, France

• University of New Mexico Cancer Research and Treatment Center — Albuquerque, New Mexico, United States
• MD Anderson Cancer Center at University of Texas — Houston, Texas, United States

• Inselspital, Bern — Bern, Switzerland

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