About the Authors

Xiaomeng Zhang

xmzhang@gmail.com

Affiliation H. Lee Moffitt Cancer Center, Tampa, FL, United States of America

Jonathan W. Wojtkowiak

Affiliation H. Lee Moffitt Cancer Center, Tampa, FL, United States of America

Gary V. Martinez

Affiliation H. Lee Moffitt Cancer Center, Tampa, FL, United States of America

Heather H. Cornnell

Affiliation H. Lee Moffitt Cancer Center, Tampa, FL, United States of America

Charles P. Hart

Affiliation Threshold Pharmaceuticals, South San Francisco, CA, United States of America

Amanda F. Baker

Affiliation Arizona Cancer Center, Tucson, AZ, United States of America

Robert Gillies

Affiliation H. Lee Moffitt Cancer Center, Tampa, FL, United States of America

Competing Interests

Charles P. Hart is employed by and a stockholder of Threshold Pharmaceuticals. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: XZ JW GM HC CH AB RG. Performed the experiments: XZ JW GM HC. Analyzed the data: XZ JW. Contributed reagents/materials/analysis tools: CH AB RG. Wrote the paper: XZ JW GM HC CH AB RG.