1. Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 13620, Korea.
2. Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Suwon 16229, Korea.
3. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 13620, Korea.
4. Department of Nuclear Medicine, Konkuk University Medical Center, Seoul 05030, Korea.
5. Institute of Radiation Medicine, Medical Research Center, Seoul National University, Seoul 08826, Korea.