Sungsoo Park, MD, Division of Upper Gastrointestinal Surgery, Department of Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, South Korea.
Miguel A. Burch, MD, FACS, Department of Surgery, Sinai Medical Center, Los Angeles, CA, U.S.A.
Joong-Min Park, MD, Department of Surgery, Chung-Ang University College of Medicine, Seoul, South Korea