do you put the author and date in article tag html

1<article>
2    <header>
3        <h1 class="headline">Headline</h1>
4        <div class="byline">
5            <address class="author">By <a rel="author" href="/author/john-doe">John Doe</a></address> 
6            on <time pubdate datetime="2011-08-28" title="August 28th, 2011">8/28/11</time>
7        </div>
8    </header>
9
10    <div class="article-content">
11    ...
12    </div>
13</article>
14