Open Access Policy
This is an open access journal which means that all content is freely available without charge to the user or his/her institution. This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
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. This is in accordance with the Budapest Open Access Initiative (BOAI) definition of open access.
All articles are provided for free download under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License.