Published Online: August 26, 2013. doi:10.1001/jamainternmed.2013.8405.
Acquisition of data: Omer, Esserman, Ozanne.
Analysis and interpretation of data: Omer, Hwang, Esserman, Howe, Ozanne.
Drafting of the manuscript: Omer, Hwang, Esserman, Ozanne.
Critical revision of the manuscript for important intellectual content: Omer, Hwang, Esserman, Howe, Ozanne.
Statistical analysis: Omer, Hwang, Esserman, Howe.
Obtained funding: Ozanne.
Administrative, technical, or material support: Omer, Esserman, Howe.
Study supervision: Hwang, Ozanne.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by the American Cancer Society (MRSG112037) (Dr Ozanne).
Previous Presentation: This study was presented as a poster at the San Antonio Breast Cancer Symposium; December 9, 2011; San Antonio, Texas.