Open Access is a publishing model that provides immediate, subscription free access to the full text of published articles. TID 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. Moreover, authors who publish in Open Access journals retain the copyright of their article.