Author Contributions: Dr Wu had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Wu.
Acquisition of data: Ranpura, Hapani, Wu.
Analysis and interpretation of data: Ranpura, Hapani, Wu.
Drafting of the manuscript: Ranpura, Wu.
Critical revision of the manuscript for important intellectual content: Ranpura, Hapani, Wu.
Statistical analysis: Ranpura, Hapani, Wu.
Administrative, technical, or material support: Wu.
Study supervision: Wu.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Wu reports that he is a speaker for Onyx, Novartis, and Pfizer and has received honoraria from Onyx, Pfizer, Novartis, Amgen, and Genentech. No other authors report any conflicts of interest.
Funding/Support: Partial funding was provided by the Research Foundation of the State University of New York at Stony Brook.
Role of the Sponsor: The sponsor had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
This article was corrected for errors on April 29, 2011.