Crohn Disease

• Gastroenteroly Department, Hospital Clinic — Barcelona, Spain
• Hospital de Sant Pau — Barcelona, Spain
• Hospital del Mar — Barcelona, Spain
• Hospital Sant Jaume de Calella — Calella, Barcelona, Spain

Not specified

Not specified

• Adelaide and Meath Hospital, Dublin Incorporating the National Children's Hospital, — Dublin, Ireland

• Dartmouth Hitchcock Medical Center — Lebanon, New Hampshire, United States

• Chu Amiens — Amiens, France
• Chu Clermont-Ferrand — Clermont-Ferrand, France
• Hopital Beaujon — Clichy, France
• CHRU Lille — Lille, France

• Indiana University — Indianapolis, Indiana, United States

• St. Paul's Hospital — Vancovuer, British Columbia, Canada

• Jackson Memorial Hospital — Miami, Florida, United States

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