Author Contributions: Ms Carwile 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: Carwile, Michels.
Acquisition of data: Carwile.
Analysis and interpretation of data: Carwile, Michels.
Drafting of the manuscript: Carwile.
Critical revision of the manuscript for important intellectual content: Carwile, Ye, Zhou, Calafat, Michels.
Statistical analysis: Carwile.
Obtained funding: Michels.
Administrative, technical, or material support: Carwile, Ye, Zhou, Calafat.
Study supervision: Michels.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This project was supported by an Allen Foundation grant to Dr Michels. Ms Carwile was supported by a Training Grant in Environmental Epidemiology (T32 ES 007069) from the National Institute of Environmental Health Sciences.
Role of the Sponsor: The sponsors 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.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention. The involvement of the Centers for Disease Control and Prevention (CDC) was limited and was determined not to constitute engagement in human subjects research.
Additional Contributions: We thank Lori Torf of the Harvard School of Public Health cafeteria for assistance with soup preparation and distribution; Martin Breslin of the Harvard Dining Services for providing the freshly prepared soups; Nikita Jambulingam (Harvard College) for assistance with data collection; and Lily Jia, MS, and Ryan Hennings (National Center for Environmental Health, Centers for Disease Control and Prevention) for technical assistance in measuring urinary BPA. None of the individuals acknowledged were compensated for the contributions.