1. Department of Laboratory Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
2. Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Korea
3. Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, National Cancer Center, Goyang, Korea
5. Departments of Laboratory Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Korea