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

Yonsei University - Department of Surgery, Cancer Center, Korea - Dongnam Institute of Radiological and Medical Sciences, Ajou University, Gyeongsang National University - College of Medicine, Soonchunhyang University - School of Medicine, Chonnam National University, Chonnam National University, Gyeongsang National University - College of Medicine, Yonsei University - Department of Surgery, Gyeongsang National University - College of Medicine, National Cancer Center, Korea - Center for Gastric Cancer, National Cancer Center, Korea - Center for Gastric Cancer, National Cancer Center, Korea - Center for Gastric Cancer, National Cancer Center, Korea - Center for Gastric Cancer, National Cancer Center, Korea, Institute of Advanced Clinical and Biomedical Research, National Cancer Center, Korea - Center for Gastric Cancer and Independent