Upon submitting an article, authors are asked to indicate their agreement to abide by an open access Creative Commons license (CC-BY-ND). Under the terms of this license, the authors retain ownership of the copyright of their articles. However, the license permits any user to download, print out, extract, reuse, archive, and distribute the article so long as appropriate credit is given to the authors and the source of work. Furthermore, they are involved in editing (see Open Journal Systems).