Crohn's Disease

• Laboratoire d'Immunologie - Hopital de la Conception — Marseille, France

• Uniwersytecki Szpital Kliniczny — Wroclaw, Dolnoslskie, Poland
• Samodzielny Publiczny Zaklad Opieki Zdrowotnej W Miedzychodzie — Międzychód, Greater Poland Voivodeship, Poland
• Szpital Kliniczny Im. Heliodora Swiecickiego Uniwersytetu Medycznego Im. Karola Marcinkowskiego W Poznaniu — Poznan, Greater Poland Voivodeship, Poland
• Szpital Uniwersytecki Nr 2 Im. Dr Jana Biziela W Bydgoszczy — Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland

Not specified

• Hôpital Necker - Enfants Malades — Paris, France

• Advanced Clinical Research Institute — Anaheim, California, United States
• Veteran's Administration Medical Center (does not require vet status) — Long Beach, California, United States
• University of Southern California University Hospital — Los Angeles, California, United States
• University of California, San Francisco — San Francisco, California, United States

• University of California, San Francisco — San Francisco, California, United States
• Clinical Research of West Florida — Clearwater, Florida, United States
• Shafran Gastroenterology Center — Winter Park, Florida, United States
• University of Chicago — Chicago, Illinois, United States

• University of Southern California University Hospital — Los Angeles, California, United States
• University of California, San Francisco — San Francisco, California, United States
• Western States Clinical Research — Wheat Ridge, Colorado, United States
• Clinical Research of West Florida — Clearwater, Florida, United States

• Hospital Universitario y Politécnico la Fe — Valencia, Spain
• Hospital Universitario de Alicante — Alicante, Spain
• Hospital Germans Trias i Pujol — Badalona, Spain
• Hospital Universitario de Burgos — Burgos, Spain

• Hôpital Cochin — Paris, France

• SoonChunHyang University Hospital Cheonan /ID# 270015 — Cheonan-si, Chungcheongnam-do, South Korea
• The Catholic University of Korea, Daejeon St. Mary's Hospital /ID# 267843 — Daejeon, Daejeon Gwang Yeogsi, South Korea
• Inje University - Ilsan Paik Hospital /ID# 269995 — Goyang-si, Gyeonggido, South Korea
• Keimyung University Dongsan Hospital /ID# 269775 — Daegu, Gyeongsangbuk-do, South Korea