1. Division of Pediatric Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
2. Department of Surgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
3. Department of Surgery, Taichung Veterans General Hospital, Taichung 40705, Taiwan
4. Division of Colon and Rectal Surgery, Department of Surgery, Veterans General Hospital, Taipei 11217, Taiwan
5. Department of Colorectal Surgery, Changhua Christian Hospital, Changhua 50006, Taiwan
6. Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung 40227, Taiwan
7. Department of Surgery, National Cheng Kung University Hospital, Tainan 70457, Taiwan
8. Division of Colon and Rectal Surgery, Department of Surgery, Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
9. Division of Hematology and Oncology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
10. Division of Hematology and Oncology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
11. Division of Hematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
12. College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan
13. Division of Hematology-Oncology, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung 84001, Taiwan
14. Department of Hematology and Oncology, Chang Gung Memorial Hospital, Chiayi 61363, Taiwan
15. Division of Colorectal Surgery, Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung 81362, Taiwan
16. School of Medicine, National Yang Ming Chiao Tung University, Taipei 30010, Taiwan
17. Department of Oncology, National Taiwan University Hospital Yunlin Branch, Yunlin 64041, Taiwan
18. Division of Hematology and Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Kaohsiung 33305, Taiwan
19. Department of Oncology, National Taiwan University Hospital, Taipei 10002, Taiwan
20. Department of Surgery, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
21. Division of Colorectal Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
22. Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
23. Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
24. Pingtung Hospital, Ministry of Health and Welfare, Pingtung 90054, Taiwan