1. Department of Surgery; Changi General Hospital; Singapore Singapore
2. Division of Colorectal Surgery, Department of Surgery; Taipei Medical University Hospital; Taipei Taiwan
3. Department of Surgery, School of Medicine, College of Medicine; Taipei Medical University; Taipei Taiwan
4. Department of Diagnostic Radiology; Taipei Medical University Hospital; Taipei Taiwan
5. Department of Pathology; Taipei Medical University Hospital; Taipei Taiwan
6. Department of Radiation Oncology; Taipei Medical University Hospital; Taipei Taiwan
7. Division of Acute Care Surgery and Traumatology, Department of Surgery; Taipei Medical University Hospital; Taipei Taiwan