Crohn Disease

• Wei Zhou — Hangzhou, Zhejiang, China

• IRCCS Ospedale San Raffaele — Milan, Italy

Not specified

• Center of Inflammatory Bowel Disease, Department of Gastroenterology, the Second Affiliated Hospital, School of Medicine, Zhejiang University — Hangzhou, China
• Department of Gastroenterology, Huzhou Central Hospital — Huzhou, China
• Department of Gastroenterology, Ruijin Hospital — Shanghai, China
• Department of Gastroenterology, Shaoxing Central Hospital — Shaoxing, China

• Dep. of Gastroenterology, Tel Aviv Sourasky Medical Center — Tel Aviv, Israel

• Nemours DuPont Hospital for Children — Wilmington, Delaware, United States
• Children's Center for Digestive Health Care — Atlanta, Georgia, United States
• Mayo Clinic — Rochester, Minnesota, United States
• Morristown Memorial Hospital — Morristown, New Jersey, United States

• Prometheus Biosciences Selected Site — Los Angeles, California, United States
• Prometheus Biosciences Selected Site — Los Angeles, California, United States
• Prometheus Biosciences Selected Site — Liberty, Kansas, United States
• Prometheus Biosciences Selected Site — Chesterfield, Michigan, United States

• University of Michigan — Ann Arbor, Michigan, United States

• Ingrid Arijs — Zaventem, Belgium

• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States