This journal is a wholly open access journal, which means all 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.

Authors may choose any of the six Creative Commons licences when publishing Gold Open Access in this journal.

This journal is registered with cOAlition S as a Transformative Journal, and articles subject to Plan S as a result of funding by cOAlition S should be published as Gold Open Access. This journal's Green Open Access policy does not meet the open access requirements of Plan S.

Social Sharing

This journal participates in Cambridge Core Share, an initiative that allows a read-only version of a final published PDF (the Version of Record) to be shared and easily accessed by anyone. Core Share links, and Core Share PDFs containing the links, can be freely shared on social media sites and scholarly collaboration networks to enhance both the impact and discoverability of research. 

Preprint policy

A preprint is an early version of an article prior to the version accepted for publication in a journal. This journal allows preprints to be posted anywhere at any time, including before submission to the journal. For more information, see the Cambridge University Press preprint policy.