About the Authors

Cristina M. Tato

Affiliations Merck Research Laboratories, Palo Alto, California, United States of America, Institute for Immunity, Transplantation and Infection, School of Medicine, Stanford University, Stanford, California, United States of America

Barbara Joyce-Shaikh

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Antara Banerjee

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Yi Chen

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Manjiri Sathe

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Sarah E. Ewald

Affiliation Department of Microbiology and Immunology, School of Medicine, Stanford University, Stanford, California, United States of America

Man-Ru Liu

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Daniel Gorman

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Terrill K. McClanahan

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Joseph H. Phillips

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Paul G. Heyworth

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Daniel J. Cua

daniel.cua@spcorp.com

Affiliation Merck Research Laboratories, Palo Alto, California, United States of America

Competing Interests

The authors are empolyed by Schering Plough, now part of Merck and CO. No products in development or marketed products are to declare. The studies were funded by Schering Plough and this does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CMT AB DJC. Performed the experiments: CMT AB DJC YC BJS MRL MS SEE. Analyzed the data: CMT DJC. Contributed reagents/materials/analysis tools: JHP PGH TKM DG SEE. Wrote the paper: CMT DJC.