Nota introductoria

License

Authors retain their Copyright and only transfer a part of these to the journal, accepting the following conditions:

Authors keep their rights as authors and guarantee the right to the journal for the first publication of their work, which is simultaneously subject to the Creative Commons Attribution license allowing third parties to share the study accrediting the author and first publication in this journal.

Authors may adopt other non-exclusive license agreements for distribution of the version of the published work (e.g. inclusion in an institutional thematic file or publication in a monographic volume) accrediting initial publication in this journal.

Authors are allowed and recommended to share their work over the Internet (e.g. in institutional telematic files or their website) before and during the submission process, which may lead to interesting exchanges and increased citation of the published work. (See The effect of open access).