1. Department of Microbiology, Gachon University College of Medicine, Incheon, Korea.
2. Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Korea.
3. Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Korea.
4. Department of Nuclear Medicine, Cancer Imaging Center, Seoul National University Hospital, Seoul, Korea.
5. Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.