Digestive System Diseases

• Provincial Hospital in Gorzow Wielkopolski — Gorzów Wielkopolski, Poland
• Fifth Military Hospital — Krakow, Poland
• First Military Hospital — Lublin, Poland
• II Department of Anesthesia and Intensive Care, Medical University of Lublin — Lublin, Poland

Not specified

• London Health Sciences Centre — London, Ontario, Canada

• Faculty of Pharmacy, Tanta University — Tanta, Egypt

• University of North Carolina, Chapel Hill — Chapel Hill, North Carolina, United States

• Children's Hospital Los Angeles — Los Angeles, California, United States
• Medstar Georgetown University Hospital — Washington D.C., District of Columbia, United States
• Advent Health — Orlando, Florida, United States
• Children's Hospital at Montefiore — The Bronx, New York, United States

• CHU de ROUEN — Rouen, France

• Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity — Guangzhou, Guangdong, China

• CHU d'AMIENS — Amiens, France
• CH de BEAUVAIS — Beauvais, France
• Service de Chirurgie Digestive - Hôpital Saint-André - CHU de Bordeaux — Bordeaux, France
• Service de Chirurgie Générale et Digestive - Hôpital Beaujon — Clichy, France

• University Hospital Bordeaux — Bordeaux, France