Published Online: February 4, 2013. doi:10.1001/jamainternmed.2013.2296
Author Contributions: Dr Thomas and Åkesson 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: Thomas, Wolk, and Åkesson. Acquisition of data: Wolk. Analysis and interpretation of data: Thomas, Elinder, Tiselius, Wolk, and Åkesson. Drafting of the manuscript: Thomas and Åkesson. Critical revision of the manuscript for important intellectual content: Thomas, Elinder, Tiselius, Wolk, and Åkesson. Statistical analysis: Thomas. Obtained funding: Wolk and Åkesson. Administrative, technical, and material support: Tiselius and Wolk. Study supervision: Elinder and Åkesson.
Conflict of Interest Disclosures: None reported.
Funding/Support: The research was funded by the Swedish Research Council/Research Infrastructures (grant No. 2008-5947) and Karolinska Institutet KID funding (PhD funding awarded to Ms Thomas).
Role of the Sponsors: The funders 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.
Previous Presentation: This study was presented as a conference poster, “Vitamin C Supplementation and Kidney Stone Incidence Among Men: A Population-Based Prospective Cohort Study,” at the International Conference on Diet and Activity Methods, Food and Organisation; May 15, 2012; Rome, Italy.