1Research Institute, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea,
2Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
3Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
4Department of Pathology, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
5Department of Oncology Johns Hopkins University School of Medicine, Baltimore, MD, USA
1Research Institute, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea,
2Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
3Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
4Department of Pathology, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea,
5Department of Oncology Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Corresponding author:
Jae Myun Lee , Tel: +82-2-2228-1822,
Received: 12 November 2014 • Revised: 26 November 2014 • Accepted: 27 November 2014