Open access statement

This is an open access journal, which means that all content is freely available to the user or their institution. Users are authorized to read, download, copy, distribute, print, search or link to the full texts of articles, or use them for any other lawful purpose, without asking the prior permission of the publisher or author. This is in line with the BOAI definition of open access. In addition, we reinforce that when using texts, it is the user's duty to give due credit to the original author, in order to guarantee the intellectual property of the work.