Institution: | 1. College of Pharmacy & Kyunghee East–west Pharmaceutical Research Institute, Kyung Hee University, , Seoul, 130‐701 Republic of Korea;2. Korea Research Institute of Standards and Science, , Daejeon, 305‐806 Republic of Korea;3. Korea Basic Science Institute, , Seoul, 136‐713 & Daejeon 305‐340 Republic of Korea;4. College of Pharmacy, Pusan National University, , Busan, 609‐735 Republic of Korea |