1. Institute of Molecular Pathology, Faculty of Military Health Sciences, University of Defence, 500 01 Hradec Kralove, Czech Republic, Department of Analytical Chemistry and, Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, 530 02 Pardubice, Czech Republic, and Department of Chemistry, National Center for Glycomics and Glycoproteomics, Indiana University, 47405 Bloomington, Indiana