Open licence
This journal publishes open access. Unless an individual article states otherwise, the licence is Creative Commons Attribution 4.0 (CC BY).
Anyone may read, download, copy, share, and adapt the article for any purpose, including commercial use, provided they give appropriate credit, link to the licence, and indicate if changes were made.
Where the licence appears
The licence name and a link to the legal code appear on the article HTML page and in the PDF. No account is required to read or download the full text, and there is no embargo after publication.
Copyright stays with the authors. See the copyright and self-archiving page.