Copyright and license agreement

Copyright on any article in the 4open is retained by the author(s) under the Creative Commons license, which permits unrestricted use, distribution, and reproduction provided the original work is properly cited.

License agreement

Authors grant EDP Sciences a license to publish the article and identify EDP Sciences as the original publisher.

Authors also grant any third party the right to use, distribute and reproduce the article in any medium, provided the original work is properly cited.