Published Online: September 1, 2014. doi:10.1001/jamainternmed.2014.4117.
Study concept and design: Sammon, Pucheril, Kibel, Kantoff, Menon, Trinh.
Acquisition, analysis, or interpretation of data: Sammon, Pucheril, Diaz, Trinh.
Drafting of the manuscript: Sammon, Pucheril, Trinh.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Sammon, Diaz, Trinh.
Obtained funding: Menon.
Administrative, technical, or material support: Pucheril, Kantoff, Menon.
Study supervision: Kibel, Trinh.
Conflict of Interest Disclosures: Dr Kibel consults for Sanofi-Aventis, Dendreon, and Myriad Genetics. No other disclosures are reported.
Funding/Support: This work is supported by the Professor Walter Morris-Hale Distinguished Chair in Urologic Oncology at Brigham and Women’s Hospital.
Role of the Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Akshay Sood, MD, Vattikuti Urology Institute Center for Outcomes Research, Analytics, and Evaluation, Henry Ford Health System; Simon P. Kim, MD, Department of Urology, Yale University; Jim C. Hu, MD, Department of Urology, David Geffen School of Medicine at UCLA; Paul L. Nguyen, MD, Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School; and Maxine Sun, PhD, Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, were instrumental in creating an earlier manuscript draft of this Research Letter. They were not compensated for their contributions.