\pagebreak[3]
$for(by-author)$
$if(it.metadata.bio)$
$if(it.metadata.photo)$
\begin{IEEEbiography}[\includegraphics{$it.metadata.photo$}]{$it.name.literal$}
$else$
\begin{IEEEbiographynophoto}{$it.name.literal$}
$endif$
$it.metadata.bio$
$if(it.metadata.photo)$
\end{IEEEbiography}
$else$
\end{IEEEbiographynophoto}
$endif$
$endif$
$endfor$