Open-access Statement

The Journal provides direct open access to its content based on the following principle: Free open access to research results facilitates exchange of knowledge and research achievements.

This is an open access journal which means that all content is freely available without charge to the user or his/her institution. 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.