1. Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
2. Department of Chemistry, Graduate School, Kyung Hee University, Seoul 02447, Korea
3. Interdisciplinary Program in Radiation Applied Life Science, Seoul National University, Seoul 08826, Korea
4. Center for Ionizing Radiation, Korea Research Institute of Standards and Science, Daejeon 34113, Korea
5. Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Suwon 08826, Korea
6. Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea