Gastro Intestinal Bleeding

• The Ottawa Hospital — Ottawa, Ontario, Canada
• Niagara Health System - St. Catharines Site — St. Catharines, Ontario, Canada
• University Health Network - Toronto General — Toronto, Ontario, Canada
• CIUSSS de l'Est-de- l'Île-de-Montréal — Montreal, Quebec, Canada

Not specified

• Oxford University Hospitals NHS Foundation Trust (John Radcliffe Hospital) — Oxford, Oxfordshire, United Kingdom

• Medical University of Graz — Graz, Styria, Austria

• Katip Çelebi Üniversitesi — Izmir, Turkey (Türkiye)

• St Joseph's Healthcare Hamilton — Hamilton, Ontario, Canada

• UMass Memorial Medical Center — Worcester, Massachusetts, United States

• HU Sahloul, sousse, Tunisia — Sousse, Itinéraire Ceinture Cité Sahloul, Tunisia

• Msambweni County Referral Hospital — Mombasa, Kwale County, Kenya

• Washington University in St Louis School of Medicine — St Louis, Missouri, United States