1. Yonsei
Proteome Research Center and Department of Integrated OMICS for Biomedical
Science, and Department of Biochemistry, College of Life Science and
Biotechnology, Yonsei University, Seoul 120-749, Korea
2. Yonsei University College of Medicine, Seoul 120-752, Korea
3. Barnett
Institute and Department of Chemistry, Northeastern University, Boston, Massachusetts 02115, United States
4. Division
of Mass Spectrometry Research, Korea Basic Science Institute, Ochang, Chungbuk 363-883, Korea