1. University of Georgia Complex Carbohydrate Research Center, , Athens, GA 30602 , USA
2. University of Georgia Department of Microbiology and Complex Carbohydrate Research Center, , Athens, GA 30602 , USA
3. University of Florida Department of Oral Biology, College of Dentistry, , Gainesville, FL 32603 , USA
4. University of Windsor Department of Chemistry and Biochemistry, , Windsor, ON N9B 3P4 , Canada