Seoul National University - Department of Surgery, Seoul National University - Department of Surgery, Seoul National University - Division of Colorectal Surgery, National Cancer Center, Korea - Center for Colorectal Cancer, Seoul National University - Medical Research Collaborating Center, Seoul National University - Medical Research Collaborating Center, Seoul National University - Department of Surgery, Hallym University - Department of Surgery, Daehang Hospital - Department of Surgery, National Cancer Center, Korea - Center for Colorectal Cancer, Seoul Metropolitan Boramae Hospital - Department of Surgery, Daehang Hospital - Department of Surgery, Seoul National University - Division of Colorectal Surgery, Seoul National University - Division of Colorectal Surgery, Hallym University - Department of Surgery, Seoul National University - Department of Surgery, Seoul National University - Department of Surgery, Seoul National University - Department of Surgery, Seoul National University - Department of Surgery, Seoul Metropolitan Boramae Hospital - Department of Surgery, Seoul National University - Division of Colorectal Surgery, Seoul National University - Department of Radiology, Seoul National University - Department of Radiology, Seoul National University - Department of Radiation Oncology, Seoul National University - Department of Internal Medicine, Seoul National University - Department of Pathology, Korea University - Department of Preventive Medicine, Seoul National University - Department of Gastoenterology, National Cancer Center, Korea - Center for Colorectal Cancer, Seoul National University - Division of Colorectal Surgery and Independent

University of Ulsan, University of Ulsan, University of Ulsan, College of Medicine, Asan Medical Center, Clinical Research Center, Institute of Advanced Clinical and Biomedical Research, University of Ulsan - Department of Oncology, University of Ulsan, Sungkyunkwan University - Department of Medicine, Sungkyunkwan University - Department of Medicine, National Cancer Center, Korea, Seoul National University - College of Medicine, Seoul National University - Department of Internal Medicine, Yonsei University, University of Ulsan, University of Ulsan, University of Ulsan, Sungkyunkwan University, University of Ulsan, University of Ulsan, Sungkyunkwan University, University of Ulsan - Department of Oncology and University of Ulsan - Department of Oncology

Korea University - Department of Internal Medicine, Sungkyunkwan University - Division of Hematology-Oncology, Seoul National University - Department of Internal Medicine, Seoul National University - Department of Internal Medicine, Chungnam National University - Department of Internal Medicine, Chungbuk National University - Chungbuk National University Hospital, Cancer Center, Korea - Dongnam Institute of Radiological and Medical Sciences, Yeungnam University - Department of Internal Medicine, Sungkyunkwan University - Samsung Changwon Hospital, Chinese Academy of Medical Sciences - National Cancer Center, Institute of Advanced Clinical and Biomedical Research, University of Ulsan - Department of Oncology and Seoul National University - Department of Internal Medicine