1. Glycobiology Research and Training Center, Departments of Medicine and Cellular and Molecular Medicine, University of California, San Diego, California 92093, United States
2. Department of Chemistry, University of California, Davis, California 95616, United States
3. Laboratory of Bacterial Polysaccharides, Food and Drug Administration (FDA), Silver Spring, Maryland 20993, United States
4. Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, United States