1. Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea2Center for Gastric Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Republic of Korea
2. Center for Gastric Cancer, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
3. Department of Gastroenterologic Surgery, Chonnam National University Hwasun Hospital, Hwasun County, Republic of Korea
4. Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
5. Center for Gastric Cancer, Gastric Cancer Center, Kyungpook National University Medical Center, Daegu, Republic of Korea
6. Center for Gastric Cancer, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
7. Department of Gastrointestinal Surgery, Yonsei University Health System, Seoul, Republic of Korea
8. Cancer Registration and Biostatistics Branch, Center for Clinical Trials, National Cancer Center, Goyang, Republic of Korea
9. Center for Gastric Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Republic of Korea