1. Horváth Csaba Memorial Laboratory of Bioseparation Sciences, Research Center for Molecular Medicine, Faculty of Medicine, Doctoral School of Molecular Medicine, University of Debrecen, H-4032 Debrecen, Hungary
2. Translational Glycomics Group, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, H-8200 Veszprem, Hungary
3. Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea