1. Departamento de Bioquímica, Instituto de Farmacologia e Biologia Molecular, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Três de Maio, 100, São Paulo 04044-020, São Paulo, Brazil
2. School of Life Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
3. Centre for Glycosciences, Keele University, Keele ST55BG, Staffordshire, U.K.
4. Lennard-Jones Laboratories, School of Chemical and Physical Sciences, Keele University, Keele ST55BG, Staffordshire, U.K.
5. Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR 7378 CNRS, Université de Picardie Jules Verne, 33 rue Saint Leu, Amiens Cedex F-80039, France
6. National Institute for Biological Standards and Control (NIBSC), Blanche Lane, South Mimms, Potters Bar EN6 3QG, Hertfordshire, U.K.
7. Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K.