About the Authors

Sandra L. Diaz

Affiliation Departments of Medicine, Pathology and Cellular & Molecular Medicine, Glycobiology Research and Training Center, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Vered Padler-Karavani

Affiliation Departments of Medicine, Pathology and Cellular & Molecular Medicine, Glycobiology Research and Training Center, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Darius Ghaderi

Affiliation Departments of Medicine, Pathology and Cellular & Molecular Medicine, Glycobiology Research and Training Center, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Nancy Hurtado-Ziola

Affiliation Gc-Free, Inc., La Jolla, California, United States of America

Hai Yu

Affiliation Department of Chemistry, University of California Davis, Davis, California, United States of America

Xi Chen

Affiliation Department of Chemistry, University of California Davis, Davis, California, United States of America

Els C. M. Brinkman-Van der Linden

Affiliation Crucell Holland BV, Leiden, The Netherlands

Ajit Varki

a1varki@ucsd.edu

Affiliation Departments of Medicine, Pathology and Cellular & Molecular Medicine, Glycobiology Research and Training Center, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Nissi M. Varki

Affiliation Departments of Medicine, Pathology and Cellular & Molecular Medicine, Glycobiology Research and Training Center, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Competing Interests

AV and NV are co-founders of Gc-Free, Inc. and N.H-Z. is an employee of the company. EBV is an employee of Crucell, Inc.

Author Contributions

Conceived and designed the experiments: AV NV. Performed the experiments: SLD VPK DG NHZ ECMBVdL NV. Analyzed the data: SLD VPK DG NHZ HY XC ECMBVdL AV NV. Contributed reagents/materials/analysis tools: SLD HY XC. Wrote the paper: SLD VPK DG NHZ ECMBVdL AV NV. Prepared figure: SLD VPK DG NHZ ECMBVdL NV. Read paper: HY XC.