Copyright and licensing

Authors shall retain the copyrights to the article. Author/s grant the journal an irrevocable, non-exclusive license to publish the article electronically and in print format, and to identify itself as the original publisher. Author(s) can grant any third party the right to use the article freely as long as its original authors and citation details are identified. The article is distributed under the Creative Commons Attribution 4.0 License. Unless otherwise stated, associated published material shall be distributed under the same license.

You are free to:

• Share —copy and redistribute the material in any medium or format
• Adapt —remix, transform, and build upon the material for any purpose, even commercially.

Under the following conditions:

• Attribution —You must give appropriate credit, provide a link to the license, and clearly indicate if any changes were made. You may do so in any reasonable manner, but not in any way that suggests the licenser endorses you or your use.
• No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.