Affiliation: | 1. Department of Surgery, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110-744,Korea 2. Department of Surgery, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110-744,Korea;Laboratory of Cell Biology, Korean Cell Line Bank, Cancer Research Institute, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110-744,Korea 3. Department of Surgery, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110-744,Korea;Laboratory of Cell Biology, Korean Cell Line Bank, Cancer Research Institute, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110-744,Korea;National Cancer Center, Madu 1-dong, Goyang,Gyeonggi 411-764, Korea |