Author Contributions: Dr Wintemute 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: Wintemute, Claire, McHenry, Wright.
Acquisition of data: Wintemute, Claire, McHenry, Wright.
Analysis and interpretation of data: Wintemute, Wright.
Drafting of the manuscript: Wintemute, McHenry.
Critical revision of the manuscript for important intellectual content: Wintemute, Claire, Wright.
Statistical analysis: Wintemute.
Obtained funding: Wintemute.
Administrative, technical, or material support: Wintemute, Claire, McHenry, Wright.
Study supervision: Wintemute.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. All of the authors are performing work under contract on a project funded by the California Department of Justice called the “Firearms and Domestic Violence Education and Intervention Project.” Funds are paid to the Regents of the University of California. No other disclosures were reported.
Funding/Support: This work was supported in part by grants from the California Wellness Foundation, the Joyce Foundation, and the Eli and Edythe L. Broad Foundation.
Role of the Sponsor: 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.
Additional Contributions: We are grateful to Philip Alpers, School of Public Health, University of Sydney, for his observations on stray bullet shootings. Mr Alpers received no compensation for his contribution.