About the Authors

Tadeusz Majewski

Affiliation Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Philippe E. Spiess

Current address: Department of Genitourinary Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida, United States of America

Affiliation Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Jolanta Bondaruk

Affiliation Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Peter Black

Current address: Department of Urologic Sciences, University of British Columbia, and at Vancouver Prostate Centre, Vancouver, British Columbia, Canada

Affiliation Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Charlotte Clarke

Current address: Office of the Vice President for Translational Research, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Affiliation Ciphergen Biosystems, Inc., Fremont, California, United States of America

William Benedict

Affiliation Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Colin P. Dinney

Affiliation Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Herbert Barton Grossman

Affiliation Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Kuang S. Tang

Affiliation Department of Biostatistics & Applied Math, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Bogdan Czerniak

bczernia@mdanderson.org

Affiliation Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Competing Interests

CC was originally an employee of Ciphergen Biosystems, Inc., Fremont, California at the time of the initial study related to this project. Currently, she is working in the Office of the Vice President for Translational Research at The University of Texas M D Anderson Cancer Center. Her affiliation with Ciphergen does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BC. Performed the experiments: TM CC. Analyzed the data: TM PES JB PB KST BC. Contributed reagents/materials/analysis tools: WB. Wrote the paper: TM BC. Provided clinical data: CPD HBG.