[1
]
Department of Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan.
[2
]
Cancer Center, Shiga University of Medical Science Hospital, Otsu, Shiga, Japan.
[3
]
Department of Surgery, Kusatsu General Hospital, Kusatsu, Shiga, Japan.
[4
]
Department of Surgery, Hino Memorial Hospital, Hino-cho, Gamou-gun, Shiga, Japan.
[5
]
Department of Surgery, Nagahama Red Cross Hospital, Nagahama, Shiga, Japan.
[6
]
Biomedical Innovation Center, Shiga University of Medical Science, Otsu, Shiga, Japan.