Data availability
Readers and reviewers should be able to understand, and where possible verify, the evidence behind a paper.
When data should be provided
Where the conclusions depend on data, software, or unique materials, authors should make those resources available to the greatest extent possible. Preferred options are a recognized repository with a persistent identifier, or supplementary files uploaded with the manuscript.
The online submission system accepts data and supplementary files alongside the manuscript. Large datasets should be deposited in a repository and cited in the paper.
Data availability statement
Every research article should include a short data availability statement. State where the data can be found (repository name and accession or DOI), that data are included in the article or supplementary files, or that data are available from the corresponding author on reasonable request.
If no new data were generated, say so.
Legitimate restrictions
Access may be restricted when sharing would violate privacy or consent for human participants, a legal or contractual obligation, third-party rights, or a documented security concern. In those cases, explain the restriction and how qualified researchers may request access.
Inability to share data is not, by itself, a reason for rejection, but an unexplained refusal after a reasonable request during review or after publication may lead to further editorial action.