Colonic Diseases

• Cedars Sinai Medical Center — Los Angeles, California, United States

• Aberdeen Royal Infirmary — Aberdeen, United Kingdom
• Bronglais General Hospital — Aberystwyth, United Kingdom
• NHS Lanarkshire — Airdrie, United Kingdom
• Ulster Hospital — Belfast, United Kingdom

• Center for Primary Care and Public Health (Unisante) — Lausanne, Canton of Vaud, Switzerland

• University of California Los Angeles — Los Angeles, California, United States
• Columbia University Medical Center — New York, United States
• Stony Brook University — Stony Brook, New York, United States
• Liverpool Hospital — Liverpool, New South Wales, Australia

Not specified

• Zagazig University Hospitals — Zagazig, Egypt

• Research Site — Baotou, China
• Research Site — Beijing, China
• Research Site — Beijing, China
• Research Site — Binzhou, China

• Universidad Miguel Hernández — Elche, Elche/Alicante, Spain
• Hospital Universitario Puerta de Hierro — Madrid, Majadahonda/Madrid, Spain

• Mariangela Rondanelli — Pavia, PV, Italy

• Uppsala University Hospital — Uppsala, Sweden