:Editorial policies
Advertising and sponsorship
Authorship
Clinical trial registration
Competing interests
Complaints procedure
Compliance with funder mandates
Copyright and authors’ rights
Corrections to published work
Data sharing
Ethical approval of research
Funding
Online First publication
Open access
ORCID
Patient consent and confidentiality
Peer review
Permissions
Plagiarism detection
Press releases
Privacy
Publication embargo
Reprints and author copies
Research reporting guidelines
Responses to published work
Retractions
Scientific misconduct
Supplements