作者单位:Seoul Natl Univ, Coll Pharm, Pharmaceut Sci Res Inst, Seoul 151742, South Korea[1]Korea Basic Sci Inst, Div Magnet Resonance, Cheongwon 363883, Chungbuk, South Korea[2]Kyungpook Natl Univ, Sch Med, Dept Biochem & Cell Biol, Taegu 700422, South Korea[3]Univ Ulsan, Coll Med, Asan Med Ctr, Dept Otolaryngol, Seoul 138736, South Korea[4]