Trends in opioid use in commercially insured and Medicare Advantage populations in 2007-16: retrospective cohort study

In this research article by Molly Moore Jeffery and colleagues (BMJ 2018;362:k2833, doi:10.1136/bmj.k2833), Ellen Meara received funding from the US National Institutes of Health-National Institute on Ageing (grant P01AG019783) for her contribution to the project. This support was not declared in the article's submission, and the authors did not catch this oversight during the production process.