1. School of Life
Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Republic of Korea
2. Department
of Pharmaceutical Industry, Korea Health Industry Development Institute(KHIDI), Chungcheongbuk-do 363-700, Republic of Korea
3. College of Pharmacy
and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 151-742, Republic of Korea
4. College of Pharmacy, Dankook University, Cheonan 330-714, Republic of Korea