Colonic Diseases

• University of California San Francisco — San Francisco, California, United States
• Lyndon B. Johnson General Hospital — Houston, Texas, United States
• University of Texas MD Anderson Cancer Center — Houston, Texas, United States

• Yale University, Yale Cancer Center — New Haven, Connecticut, United States
• H. Lee Moffitt Cancer Center & Research Institute, Inc — Tampa, Florida, United States
• Johns Hopkins Sidney Kimmel Comprehensive Cancer Center — Baltimore, Maryland, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States

• Centro de Educacion Medica e Investigaciones Clinicas Norberto Quirno (CEMIC) — CABA, Buenos Aires, Argentina
• Hospital Britanico de Buenos Aires — CABA, Buenos Aires, Argentina
• Hospital de Gastroenterologia Dr. Carlos Bonorino Udaondo — CABA, Buenos Aires, Argentina
• Sanatorio Mater Dei — CABA, Buenos Aires, Argentina

• Weill Cornell Medical College — New York, United States

Not specified

• Mayo Clinic in Arizona — Scottsdale, Arizona, United States
• Saint Luke's Mountain States Tumor Institute — Boise, Idaho, United States
• Siouxland Regional Cancer Center — Sioux City, Iowa, United States
• Cancer Center of Kansas - Wichita — Wichita, Kansas, United States

• Sarah Cannon Research Institute SC — Nashville, Tennessee, United States
• Huntsman Cancer Institute SC — Salt Lake City, Utah, United States
• Novartis Investigative Site — Salzburg, Austria
• Novartis Investigative Site — Toronto, Ontario, Canada

• King's College Hospital — London, United Kingdom

• Magnus Simren — Gothenburg, Non-US/Non-Canadian, Sweden

• Pitié Salpetriere — Paris, France