1. Center for Cancer Prevention and Detection, National Cancer Center, Goyang, Korea
2. Targeted Therapy Branch, National Cancer Center, Goyang, Korea
3. Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Hanyang University College of Medicine, Guri, Korea
5. Department of Laboratory Medicine, Dong-A University Medical Center, Dong-A University College of Medicine, Busan, Korea
6. Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
7. Department of Preventive Medicine, Hanyang University College of Medicine, Seoul, Korea
8. Cancer Biomedical Science, National Cancer Center, Goyang, Korea
9. Department of Laboratory Medicine, National Cancer Center, Goyang, Korea