1. Institute for Glycomics Griffith University, Gold Coast Campus Southport Queensland 4222 Australia
2. School of Biomedical, Biomolecular & Chemical Sciences University of Western Australia Crawley WA 6009 Australia
3. Present address: College of Biological Chemical Science and Engineering, Jiaxing University Jiaxing 314001 P. R. China
4. Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
5. Present address: College of Food Science and Engineering Nanjing University of Finance and Economics Nanjing 210023 P. R. China