Open Access

This journal allows immediate and free access to all published articles. This open access policy promotes a wider global knowledge sharing by making research readily available to everyone.

In particular, all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute/print a copy for personal and non-commercial use, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is inspired by the BOAI (Budapest Open Access Initiative) definition of open access.