Author Contributions: Dr Berry 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: Berry, Henderson, Citron, Goldstein, Martino, Norton, Hudis, Winer.
Acquisition of data: Cirrincione, Henderson, Citron, Budman, Goldstein, Martino, Perez, Muss, Norton, Hudis.
Analysis and interpretation of data: Berry, Cirrincione, Henderson, Citron, Martino, Muss, Norton, Hudis, Winer.
Drafting of the manuscript: Berry, Budman, Perez, Muss, Hudis, Winer.
Critical revision of the manuscript for important intellectual content: Berry, Cirrincione, Henderson, Citron, Budman, Goldstein, Martino, Muss, Norton, Hudis, Winer.
Statistical analysis: Berry, Cirrincione.
Obtained funding: Henderson, Muss, Hudis, Winer.
Administrative, technical, or material support: Cirrincione, Henderson, Citron, Budman, Goldstein, Muss, Norton, Hudis, Winer.
Study supervision: Berry, Henderson, Citron, Budman, Norton, Hudis, Winer.
Financial Disclosures: Dr Berry provides consultancies to Bristol-Myers Squibb, Eli Lilly, and Novartis and receives honoraria from AstraZeneca and Pfizer. Dr Citron consults for Amgen and Genentech and receives honoraria from Amgen, Genentech, and AstraZeneca. Dr Goldstein consults for and receives honoraria from Bristol-Myers Squibb. Dr Hudis consults for, provides research support for, and receives honoraria from AstraZeneca, Amgen, Bristol-Myers Squibb, Novartis, Pfizer, and Sanofi-Aventis and holds stock ownership with Genomic Health. Dr Winer serves on an advisory board for Bristol-Myers Squibb.
Funding/Support: This study was supported in part by a grant (CA31946) from the National Cancer Institute to the Cancer and Leukemia Group B.
Role of the Sponsor: The funder had no role in the design and conduct of the study; in the collection, management, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
This article was corrected on 4/19/06, prior to publication of the correction in print.