Our journals are open access journals.  All articles published in these journals will be immediately and permanently free for everyone to read and download.
For open access publishing, our journals use an exclusive licensing agreement.  Authors retain all copyright but grant the publisher the non-exclusive publishing and distribution rights of the article in whole or in part, including abstracts thereof, in all languages and in all media of expression now known or later developed.
The responsibility for the text rests with the authors. The authors need to sign a "Copyright License Agreement". A third party have right to spread or make use of the article under the Creative Commons Attribution – NonCommercial - NoDerivatives4.0(CC BY-NC-ND 4.0) International License. The full details of the license are available at  https://creativecommons.org/licenses/by-nc-nd/4.0/