LEA publishes Online First Articles. This feature allows final revision articles to be hosted online prior to their inclusion in a final print and online journal issue. 

The only difference between Online First and issue publication will be the citation details and the addition of the Online First publication date to the second version.

Each OnlineFirst article has a unique Digital Object Identifier (DOI). This should be included in all citations. DOIs provide a persistent, permanent way to identify manuscripts published in the online environment, even after they are assigned to the issue. Information such as volume, issue, and page numbers are not allocated to OnlineFirst articles (as that information is not known until the issue is completed).