Hernia

• Enas A Abd el Motlb — Al Mansurah, DK, Egypt

• Gastrounit, Surgical Division, Hvidovre Hospital, Denmark — Copenhagen, Danmark, Denmark

• University Hospitals Leuven — Leuven, Belgium
• University of Nantes Hospital — Nantes, France
• Karolinska University, Ersta Hospital — Stockholm, Sweden
• Karolinska University, Huddinge Hospital — Stockholm, Sweden

• Mt. Graham Regional Medical Center — Safford, Arizona, United States
• Tempe St. Luke's Hospital — Tempe, Arizona, United States
• Swedish Medical Center and SurgOne P.C. — Englewood, Colorado, United States
• Munroe Regional Hospital — Ocala, Florida, United States

• Boulder Neurosurgical Associates — Boulder, Colorado, United States

• Dept. of surgery, Zealand University Hospital — Køge, Denmark

• Hvidovre University Hospital — Hvidovre, Denmark

Not specified

• ASSUTAMC — Tel Aviv, Israel

• Gem hospital and research centre — Coimbatore, Tamil Nadu, India