Published Online: June 16, 2014. doi:10.1001/jamainternmed.2014.2302.
Study concept and design: Thao, Golberstein.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Thao.
Critical revision of the manuscript for important intellectual content: Kozhimannil, Thomas, Golberstein.
Statistical analysis: Thao, Thomas, Golberstein.
Administrative, technical, or material support: Kozhimannil.
Study supervision: Kozhimannil, Golberstein.
Conflict of Interest Disclosures: Dr Kozhimannil’s work on this article was supported by the Building Interdisciplinary Research Careers in Women’s Health grant K12HD055887 from the Eunice Kennedy Shriver National Institutes of Child Health and Human Development, the Office of Research on Women’s Health, and the National Institute on Aging, at the National Institutes of Health, administered by the University of Minnesota Deborah E. Powell Center for Women’s Health. No other disclosures were reported.
Additional Contributions: Peiyin Hung, PhD candidate at the University of Minnesota, assisted with the discussion and review of the topic. There was no financial compensation.