About the Authors

Min Lu

Affiliation Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Pingping Li

Affiliation Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Gautam Bandyopadhyay

Affiliation Department of Medicine, University of California San Diego, La Jolla, California, United States of America

William Lagakos

Affiliation Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Walter E. DeWolf Jr

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Taylor Alford

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Mark Joseph Chicarelli

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Lance Williams

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Deborah A. Anderson

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Brian R. Baer

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Maralee McVean

Affiliation Array BioPharma Inc., Boulder, Colorado, United States of America

Marion Conn

Affiliation Amgen Inc., South San Francisco, California, United States of America

Murielle M. Véniant

Affiliation Amgen Inc., Thousand Oaks, California, United States of America

Peter Coward

pcoward@amgen.com

Affiliation Amgen Inc., South San Francisco, California, United States of America

Competing Interests

Marion Conn, Murielle M. Véniant, and Peter Coward are employees and stockholders of Amgen Inc. Walter E. DeWolf, Jr., Mark Joseph Chicarelli, Lance Williams, Deborah A. Anderson, and Brian R. Baer are employees and stockholders of Array Biopharma Inc. Taylor Alford and Maralee McVean are former employees of Array Biopharma Inc. There was a patent filed that the authors would like to declare: WO 2009/042435. 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: ML PL GB WL MM MMV PC. Performed the experiments: ML PL GB WL WED TA LW DAA BRB MC. Analyzed the data: ML WED TA BRB MC PC. Contributed reagents/materials/analysis tools: MJC. Wrote the paper: ML WED MM MMV PC.