1. Divisions of Surgical Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan
2. Divisions of Surgical Infection, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
3. Department of Surgery, Handa City Hospital, Handa, Japan
4. Department of Surgery, Social Insurance Chukyo Hospital, Nagoya, Japan
5. Department of Surgery, Toyota Kosei Hospital, Toyota, Japan
6. Department of Surgery, Nagoya Ekisaikai Hospital, Nagoya, Japan
7. Department of Surgery, Tokai Hospital, Japan
8. Department of Surgery, Centre for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan