Open Access

This is an open access journal which means that all content is freely available without delay or charge to the user or their 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. This is in accordance with the Budapest Open Access Initiative (BOAI) and Directory of Open Access Journals (DOAJ) definition of open access and with the journal's copyright and licensing policies.