1 Departments of Biological Sciences and Chemistry, Louisiana State University, Baton Rouge, LA 70808, USA.
2 Programme in Molecular and Systemic Biosciences, University of Helsinki, Viikinkaari 9, 00014 Helsinki, Finland.
3 Institute for Protein Research, Osaka University, 3-2 Yamadaoka Suita, Osaka 565-0871, Japan.
4 Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan.
5 Nudelman Rare Books, P.O. Box 25339, Seattle, WA 98165, USA.
6 Copenhagen Centre for Glycomics, University of Copenhagen, Department of Cellular and Molecular Medicine, Nørre Alle 14, DK-2200 Copenhagen N, Denmark.