These journals are now open access, which means all new research articles are published as Gold Open Access under a Creative Commons licence. This enables anyone to access and redistribute the content and, depending upon the licence, re-use the content in new or derivative works with attribution. The terms of re-use for Gold Open Access content are stated in the copyright line of the article.
The costs of publishing Open Access (OA) are typically met through an Article Processing Charge (APC) that is paid by the author or author’s funding body or institution.