Copyright and Licensing

The authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under Creative Commons Attribution License CC BY-NC-SA 4.0 that allows others to share the work with an acknowledgment of the work’s authorship and initial publication in this journal. This journal is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0). It means that authors are free to share (copy and redistribute the material in any medium or format), and adapt (remix, transform, and build upon the material) as long as the adaptations must be shared under the same terms. However, we use the restrictive license (non-commercial).