Open Access policy

To ensure the highest quality of published materials and free, unrestricted access to knowledge, published articles are licensed under Creative Commons - Attribution 4.0 International (CC BY 4.0).

The license allows for*:
sharing – to copy and redistribute the material in any medium or format;
adaptation – to remix, transform, and build upon the material for any purpose, even commercially.

The license requires to*:
acknowledge authorship – you must give the appropriate credit (provide a link to the license, and indicate if changes were made); this can be done in any logical way, as long as it does not imply an endorsement by the licensor of a particular use of the work or the author of the derivative content;
be the material freely available - the possibility of using the work by others under the conditions specified in the license may not be limited by legal or technological means.


1. The license conditions do not have to be respected with regard to extracts in the public domain or in the case of fair use such as copyrights.
2. The material provided is not covered by the licensor's or any other warranty terms.
3. Before starting work on a derivative material, make sure that you have all required consents regarding, for example, dissemination of image, personal data (GDPR), etc.

The full text of the license is available at: Creative Commons — Attribution 4.0 International — CC BY 4.0
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