it's conventional to leave these out to preserve anonymity during the peer review process; if one is available, it will be added in the final published version if it's accepted.
this article is still unpublished and was only submitted for peer review yesterday!
In this case the review is, mostly (chances are the area chair knows who is who), double blind meaning: the reviewers don't know who the paper is written by _and_ the authors of the paper don't know the identity of the reviewers.
this article is still unpublished and was only submitted for peer review yesterday!