Author Contributions: Drs Gardner and Balise had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Gardner, Kraemer, King.
Acquisition of data: Gardner.
Analysis and interpretation of data: Gardner, Kiazand, Alhassan, Kim, Stafford, Balise, Kraemer, King.
Drafting of the manuscript: Gardner, Kiazand, Balise, Kraemer, King.
Critical revision of the manuscript for important intellectual content: Gardner, Kiazand, Alhassan, Kim, Stafford, Kraemer, King.
Statistical analysis: Gardner, Alhassan, Stafford, Balise, Kraemer.
Obtained funding: Gardner, King.
Administrative, technical, or material support: Kiazand.
Study supervision: Gardner.
Financial Disclosures: None reported.
Funding/Support: This investigation was supported by National Institutes of Health grant R21AT1098, by a grant from the Community Foundation of Southeastern Michigan, and by Human Health Service grant M01-RR00070, General Clinical Research Centers, National Center for Research Resources, National Institutes of Health.
Role of the Sponsor: None of the funding agencies played any role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation, review, and approval of the manuscript.
Acknowledgment: We gratefully acknowledge the work of the study staff who worked with participants in recruitment, intervention, and data collection, including Rise Cherin, MS, RD, Kathryn Newell, MS, Suzanne Olson, MS, Jennifer Morris, PhD, Jane Borchers, MS, RD, Laurie Ausserer, MS, Ellen DiNucci, MA, Kelly Boyington, Jana Stone, Andrea Vaccarella, RD, Noel Segali, RD, and Gretchen George, MS, RD, all of Stanford University, as well as the staff of the Stanford University Hospital General Clinical Research Center.