If an article contains an error, the correction should explain what changed and when. New research may also lead us to update an article; that is different from correcting a mistake.
Reporting an error
Include the page link, the passage you are concerned about and a source we can check. Please do not include medical records or personal health details.
The contact page lists the available ways to reach the publication.
Correction history
There are no corrections listed yet. Material changes will appear here with the affected page and date.