Copyright Notice

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows Share — copy and redistribute the material in any medium or format.
Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal’s published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.

If you have found a spelling error, please, notify us by selecting that text and pressing Ctrl+Enter.