Crohn Disease

• Western University — London, Ontario, Canada
• Mount Sinai Hospital — Toronto, Ontario, Canada
• Providence Healthcare — Toronto, Ontario, Canada
• St. Michael's Hospital — Toronto, Ontario, Canada

• West Central Gastroenterology d/b/a Gastro Florida — Clearwater, Florida, United States
• Wellness Clinical Research, LLLC-Central Florida — Lake Wales, Florida, United States
• West Central Gastroenterology d/b/a Gastro Florida — Tampa, Florida, United States
• NECCR Primacare Research, LLC — Fall River, Massachusetts, United States

Not specified

• Hospital Universitario Reina Sofía — Córdoba, Andalusia, Spain
• Hospital Clínico Universitario 'Lozano Blesa' — Zaragoza, Aragon, Spain
• Hospital Son Llatzer — Palma de Mallorca, Balearic Islands, Spain
• Hospital Universitari Mutua Terrassa — Terrassa, Barcelona, Spain

• Gastroenterology — Hefei, Anhui, China
• Gastroenterology — Beijing, Beijing Municipality, China
• Gastroenterology — Beijing, Beijing Municipality, China
• Gastroenterology — Chongqing, Chongqing Municipality, China

• Hospital Universitario de La Princesa — Madrid, Spain

• Fundacion Jimenez Diaz — Madrid, Spain

• University of Pennsylvania Health System — Philadelphia, Pennsylvania, United States

• Nucleus Network Pty Ltd — Herston, Queensland, Australia

• Weill Cornell Medicine — New York, United States