[1] Univ Texas Southwestern Med Ctr, Dept Biochem, Dallas, TX 75390 USA
[2] Univ Georgia, Complex Carbohydrate Res Ctr, 315 Riverbend Rd, Athens, GA 30602 USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Dept Pathol, Joint Program Transfus Med, Boston, MA 02115 USA
[4] Harvard Med Sch, Harvard Glyc Ctr, Boston, MA 02115 USA