1. Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Korea.
2. Department of Molecular Medicine and Biopharmaceutical Sciences, WCU Graduate School of Convergence Science and Technology, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Nuclear Medicine, Korea University College of Medicine, Seoul, Korea.
4. Department of Nuclear Medicine, The Medical City, Pasig City, Philippines.
5. Department of Radiology, Seoul National University Hospital, Seoul, Korea.