Digestive System Diseases

• The Children's Hospital — Aurora, Colorado, United States
• Shands Hospital at University of Florida — Gainesville, Florida, United States
• Children's Hospital Boston — Boston, Massachusetts, United States
• Saint Vincent Healthcare Pediatric Specialty Clinics — Billings, Montana, United States

• The Canadian College of Naturopathic Medicine — Toronto, Ontario, Canada

• CHR Citadelle — Liège, Belgium
• CHU Tivoli La Louvière — Louvière, Belgium
• Hôpital HFME - Groupement Hospitalier Est — Bron, France
• CHU de Nancy- Hôpital d'Enfants — Nancy, France

• Research site — Aalst, Belgium
• Research site — Anderlecht, Belgium
• Research site — Assebroek, Belgium
• Research site — Braine-l'Alleud, Belgium

• Service d'Hépato-Gastroentérologie, Centre Hospitalier Lyon Sud — Lyon, France
• Service d'Hépato-Gastroentérologie, Institut Paoli Calmettes — Marseille, France
• Service d'Hépato-Gastroentérologie, CHU Nantes — Nantes, France
• Service d' hépato-gastro-entérologie, CHU de ROUEN — Rouen, France

• Division of Gastroenterology and Hepatology at KUMC — Kansas City, Kansas, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States

• Division of Gastroenterology and Hepatology at KUMC — Kansas City, Kansas, United States
• University of Louisville Medical Center — Louisville, Kentucky, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• University of Michigan Medical Center — Ann Arbor, Michigan, United States

• Warren G. Magnuson Clinical Center (CC) — Bethesda, Maryland, United States

• The first Affiliated Hospital of Anhui Medical University — Hefei, Anhui, China
• Henan Provincial People Hospital — Zhengzhou, Henan, China
• Renji Hospital, Shanghai Jiaotong University School of Medicine — Pudong, Shanghai Municipality, China
• Second hospital of Shanxi Medical University — Taiyuan, Shanxi, China

Not specified