The following screenshot demonstrates the use of Article Title, Article Subtitle, Right Running Head, and Left Running Head.
which yields the following XML:
<front>
...
<title-group>
<article-title>Wrangling Math from Microsoft Word into JATS XML Workflows</article-title>
<subtitle>A guide to working with math in Word</subtitle>
<alt-title alt-title-type="right-running">Wrangling Math from Microsoft Word into JATS XML Workflows</alt-title>
<alt-title alt-title-type="left-running">C. Gebhard, B. Rosenblum</alt-title>
</title-group>
...
<front>
<trans-title-group xml:lang="ru">
<trans-title>Правильная математика для Microsoft Word XML документооборота JATS</trans-title>
<trans-subtitle>Руководство по работе с математикой в Word</trans-subtitle>
</trans-title-group>