1. School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Republic of Korea
2. Severance Integrative Research Institute for Cerebral & Cardiovascular Diseases, Yonsei University Health System, Seoul 120-752, Republic of Korea
3. Department of Chemistry, Seoul National University, Seoul 151-747, Republic of Korea
4. Interdisciplinary Program of Bioengineering, Seoul National University, Seoul 151-744, Republic of Korea
5. Bio-MAX Institute, Institute of Chemical Processes, Seoul National University, Seoul 151-744, Republic of Korea