1. Department of Biological Sciences; Louisiana State University and A&M College; Baton Rouge LA USA
2. Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology; Tohoku Pharmaceutical University; Sendai Japan
3. Department of Chemistry and Biochemistry; Texas Tech University; Lubbock TX USA
4. Department of Chemistry; Louisiana State University and A&M College; Baton Rouge LA USA