1. Department of Biotechnology, Yonsei University, Seoul 120-749, Republic
of Korea
2. School of Chemical
Engineering and SKKU Advanced Institute of
Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, Republic of Korea
3. Division of Vascular
Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Republic
of Korea