Open Access Policy

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. This journal is an open access journal which means that all content is freely available without charge to users or/institutions. Users are allowed to read, download, copy, distribute, print, search, or link to full-text articles in this journal without asking prior permission from the publisher or author. This is by the Budapest Open Access Initiative.