About the Authors

Yasuyo Urasaki

Affiliation Nevada Cancer Institute, Las Vegas, Nevada, United States of America

Linda Heath

Affiliation Nevada Cancer Institute, Las Vegas, Nevada, United States of America

C. Wilson Xu

xu@biologicalresearch.org

Affiliations Nevada Cancer Institute, Las Vegas, Nevada, United States of America, The Biological Research Institute, Pasadena, California, United States of America

Competing Interests

ProteinLinks are funders for this study. CWX is a shareholder of ProteinLinks, which provided the lab space for the project during the insolvency and bankruptcy of the Nevada Cancer Institute in 2011. There are no products in development or marketed products to declare. However, there is a patent application based on this study. 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: CWX YU. Performed the experiments: YU LH CWX. Analyzed the data: CWX YU. Contributed reagents/materials/analysis tools: YU CWX. Wrote the paper: YU CWX.