Indiana University School of Medicine, Indianapolis, IN, USA.
1Department of Biomedical Science, College of Health Science, Korea University, Seoul, Korea.
2Research Institute of Health Science, College of Health Science, Korea University, Seoul, Korea.
3Department of Pathology, Kyung Hee University School of Medicine, Seoul, Korea.
© 2012 The Korean Society of Pathologists/The Korean Society for Cytopathology
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.