1. Department of Chemistry and Research Institute of Basic Sciences Kyung Hee University 26 Kyungheedae-ro Dongdaemun-gu, Seoul 02447 Korea
2. Current address International Ph.D. Program in Biomedical Engineering (IPBME) College of Biomedical Engineering Taipei Medical University Taipei 11031 Taiwan (R.O.C.
3. School of Pharmacy Chung-Ang University 84 Heukseok-ro Dongjak-gu, Seoul 06974 Korea