Accepted for Publication: November 4, 2010.
Author Contributions: All authors had full access to all the data and the accuracy of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Akilov and Pillai contributed equally to the study. Study concept and design: Akilov and Geskin. Acquisition of data: Akilov, Pillai, Grandinetti, and Geskin. Analysis and interpretation of data: Akilov, Pillai, Kant, and Geskin. Drafting of the manuscript: Akilov, Pillai, Grandinetti, Kant, and Geskin. Critical revision of the manuscript for important intellectual content: Akilov, Pillai, Kant, and Geskin. Statistical expertise: Akilov. Study supervision: Grandinetti and Geskin.
Financial Disclosure: None reported.
Funding/Support: The research was supported in part by departmental resources at the University of Pittsburgh and by resources provided by National Institutes of Health (NIH) grant P50 CA121973 (PCMCID No. pending).
Disclaimer: Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the view of the University of Pittsburgh or the NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases.
This article was corrected for errors on August 22, 2012.