The authors retain the copyright of the published articles and can archive a copy of their work in the following way:
The submitted version of the manuscript can be archived on:
Accepted or Peer-reviewed version of the manuscript:
The accepted version of an article is the version that incorporates all changes made during the peer review process, but prior to the final published version can also be self-archived in the following but with the following additional information ("This is the pre-peer reviewed (Accepted) version of the following article: [FULL CITE], which has been published as online-ahead of print form at [Link to the article using the DOI or link to the journal wesbite]:
The final published PDF version may also be self-archived in the above-mentioned repositories or any suitable forum. But we recommend that the authors provide a link from the deposited version to the URL of the published article on the journal's website; in all cases. This would help in protecting the integrity and authenticity of the scientific record, as the online published version on the journal’s website is the definitive version of the article.
Authors are also advised to check the archiving requirements of the funding agency (if the study was funded) to ensure compliance with the archiving policy of the respective funding agency.
There is no embargo period for self-archiving.