1. Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul, Korea.
2. Department of Tumor Biology, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Laboratory of Molecular Imaging and Therapy of Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Surgery, Seoul National University College of Medicine, Seoul, Korea.
5. Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.