Root Element

The root element for an article is a <article> element.

The <article> element must contain a @article-type attribute. The allowed values and mapping for @article-type are:

Article Type @article-type Value
  • Paper
research-article
  • Letters and Comments
  • Rapid Communication
  • Fast Track Communication
  • Brief Communication
  • Preliminary Communication
rapid-communication
  • Review Article
  • Topical Review
  • Introductory Review
  • Invited Article
  • Phd Tutorial
  • Tutorial
review-article
  • Comment (on a previous article)
  • Perspective (relating to an article)
article-commentary
  • Reply/Reply to Comment
reply
  • Corrigendum/Erratum
correction
  • Retraction
retraction
  • Addendum
addendum
  • Editorial (not related to a special issue)
editorial
  • Preface
  • Foreword
  • Guest Editor’s Introduction
introduction
  • Announcement
announcement
  • Brief Report
  • Note
  • Technical Note
  • Design Note
note
  • Viewpoint
  • Patients’ Corner
discussion
  • Letter to the Editor
letter
  • News & Views
news

Example

<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" article-type="research-article"
   dtd-version="1.1" xml:lang="en">