Free Access Policy

This journal offers immediate free access to its content, following the principle that making scientific knowledge freely available to the public provides greater worldwide democratization of knowledge. No processing or submission fees are required. All content is freely available without charge to the user or his/her institution. After its publication, authors are allowed to deposit all versions of their articles in an institutional repository. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author.