[in Japanese]
Department of Surgery, Kawasaki Hospital, Kobe, Japan

[in Japanese]
Department of Surgery, Iwate Medical University School of Medicine, Morioka, Japan

[in Japanese]
Department of General and Endocrine Surgery, Kanazawa University School of Medicine, Kanazawa, Japan

[in Japanese]
Department of Surgery, Tamana Central Hospital, Tamana, Japan

[in Japanese]
Department of Surgery, Teikyo University School of Medicine, Tokyo, Japan

[in Japanese]
School of Medicine, Kinki University, osakasayama, Japan