The journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author as long as they cite the source.

Benefits of open access for the author, include:

• Free access for all users worldwide.
• Authors retain copyright to their work.
• Increased visibility and readership.
• No spatial constraints.