Crohn Disease

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Atlanta Gastroenterology Associates — Atlanta, Georgia, United States
• University of Chicago — Chicago, Illinois, United States
• University of Maryland Medical Center — Baltimore, Maryland, United States

• CHU Clermont-Ferrand — Clermont-Ferrand, France

Not specified

• Assistance Publique Hopitaux de Marseille — Marseille, France

Not specified

• Cedars Sinai Medical Center — Los Angeles, California, United States
• Macks Research Group — Newport Beach, California, United States
• Medical Associates Research Group — San Diego, California, United States
• University of California, San Francisco Medical Center — San Francisco, California, United States

Not specified

• University of Southern California — Los Angeles, California, United States
• University of California, Irvine — Orange, California, United States
• University of California San Diego — San Diego, California, United States
• University of California San Francisco — San Francisco, California, United States

• Royal Manchester Children's Hospital — Manchester, Lancs, United Kingdom

• CHRU, Hôpital Claude Huriez — Lille, France