1. Department of Pathology, Wonju College of Medicine, Yonsei University, Wonju, Republic of Korea
2. M&D Inc., Wonju, Republic of Korea
3. Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, Wonju, Republic of Korea
4. Department of Pathology, Wonju College of Medicine, Yonsei University, Wonju, Republic of Korea; and Department of Clinical Laboratory Science, Hyejeon College, Hongseong, Chungnam, Republic of Korea