Ersin Gundogan, Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
Cuneyt Kayaalp, Department of Gastroenterology Surgery, Yeditepe University, School of Medicine, Istanbul. Turkey
Mufit Sansal, Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
Kutay Saglam, Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
Fatih Sumer, Department of Gastroenterology Surgery, Inonu University Turgut Ozal Medical Center, Malatya, Turkey