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$body$
$if(title)$

$title$

$if(subtitle)$

$subtitle$

$endif$ $for(author)$ $if(author.name)$

$author.name$

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$endif$ $if(author.email)$ $author.email$
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$author$

$endif$ $endfor$ $if(date)$

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$endif$ $if(abstract)$

Abstract

$abstract$
$endif$ $endif$
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