About the Authors

Monica Chang, Charles M. Rowland, Veronica E. Garcia, Steven J. Schrodi, Joseph J. Catanese, Ann B. Begovich
Celera, Alameda, California, United States of America

Annette H. M. van der Helm-van Mil, Fina A. S. Kurreeman, Rene E. M. Toes, Tom W. J. Huizinga
Leiden University Medical Centre, Leiden, The Netherlands

Kristin G. Ardlie
SeraCare Life Sciences, Cambridge, Massachusetts, United States of America

Christopher I. Amos
University of Texas, Houston, Texas, United States of America

Lindsey A. Criswell
Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Daniel L. Kastner
National Institute of Health, Bethesda, Maryland, United States of America

Peter K. Gregersen
Feinstein Institute for Medical Research, North Shore L.I.J. Health System, Manhasset, New York, United States of America

Michael F. Seldin
University of California Davis, Davis, California, United States of America

Corresponding Author

ann.begovich@roche.com

Competing Interests

MC, CMR, VEG, SJS, JJC and ABB are employees of Celera and, as such, may own stock and/or stock options in Celera.

Author Contributions

Conceived and designed the experiments: SS AB. Performed the experiments: MC JC. Analyzed the data: MC CR VG SS AB. Contributed reagents/materials/analysis tools: CR VG SS AvdH KA CA LC DK PG FK RT TH MS. Wrote the paper: CR SS AB.