Internal Hernia

• Washington University School of Medicine — St Louis, Missouri, United States

• Dept. of "Surgery, Intensive Care and Organs Transplantation" — Bologna, Italy
• Department of General and Minimally Invasive Surgery -- Esophago-gastric Surgery Unit, Istituto Clinico Humanitas, Rozzano, University of Milan — Milan, Italy
• First Division of General and Gastrointestinal Surgery, Second University of Naples — Naples, Italy
• Unit of Gastrointestinal Surgery, School of Medicine, II University of Naples — Naples, Italy

• Nationwide Children's Hospital — Columbus, Ohio, United States

• Assuta Medical Center — Haifa, Israel
• Assuta Medical Center — Tel Aviv, Israel
• Meander Medisch Centrum — Amersfoort, Netherlands
• University Medical Center Utrecht — Utrecht, Netherlands

Not specified

• University of Utah — Salt Lake City, Utah, United States
• Primary Children's Medical Center — Salt Lake City, Utah, United States

• Department of General Surgery and Organ Transplantation — Bologna, Italy

• Department of Surgery and Organ Transplantation — Bologna, BO, Italy
• Sandro Mattioli — Bologna, BO, Italy

• Children's Hospital of Alabama — Birmingham, Alabama, United States
• Children's Mercy Hospital — Kansas City, Missouri, United States

• G. Hatzikosta General Hospital Department of Surgery — Ioannina, Epirus, Greece