[1] Seoul Natl Univ, Dept Biomed Sci, Coll Med, Seoul 03080, South Korea
[2] Seoul Natl Univ, Dept Nucl Med, Coll Med, Daehak Ro 101, Seoul 03080, South Korea
[3] Seoul Natl Univ, Med Res Ctr, Inst Radiat Med, Coll Med, Seoul 03080, South Korea
[4] Brightonix Imaging Inc, Seoul 04782, South Korea