Any registered user can post a comment about any article submitted or published at RESEARCHERS.ONE. For articles under public peer review, registered users also have the option to post a public review. To post a public peer review, users can click the Upload Review button at the top of the article page. For comments, a text box is provided below the article file, with an option to input short comments in a text box or upload a file with longer or more technical comments. See the Terms & Conditions for more on information on what kind of content is allowed to be posted as a comment or review.