\documentclass[9pt,twocolumn,twoside,$if(lineno)$lineno$endif$]{pnas-new}

%% Some pieces required from the pandoc template
\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

% Use the lineno option to display guide line numbers if required.
% Note that the use of elements such as single-column equations
% may affect the guide line number alignment.


\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
$if(tables)$
\usepackage{longtable}
$endif$

$if(csl-refs)$
\newlength{\cslhangindent}
\setlength{\cslhangindent}{1.5em}
\newenvironment{cslreferences}%
  {$if(csl-hanging-indent)$\setlength{\parindent}{0pt}%
  \everypar{\setlength{\hangindent}{\cslhangindent}}\ignorespaces$endif$}%
  {\par}
$endif$

$for(header-includes)$
$header-includes$
$endfor$

$if(pnas_type)$
\templatetype{$pnas_type$}  % Choose template
$else$
\templatetype{pnasresearcharticle}
$endif$

\title{$title$}

$for(author)$
\author[$author.affiliation$]{$author.name$}
$endfor$

$for(address)$
  \affil[$address.code$]{$address.address$}
$endfor$


% Please give the surname of the lead author for the running footer
\leadauthor{$lead_author_surname$}

% Please add here a significance statement to explain the relevance of your work
\significancestatement{$significance$}


\authorcontributions{$author_contributions$}

$if(conflict_of_interest)$
\authordeclaration{$conflict_of_interest$}
$endif$

$if(equal_authors)$
\equalauthors{\textsuperscript{$equal_authors.code$} $equal_authors.text$}
$endif$

\correspondingauthor{\textsuperscript{$corresponding_author.code$} $corresponding_author.text$}

% Keywords are not mandatory, but authors are strongly encouraged to provide them. If provided, please include two to five keywords, separated by the pipe symbol, e.g:
$if(keywords)$ \keywords{ $for(keywords)$ $keywords$ $sep$| $endfor$ } $endif$

\begin{abstract}
$abstract$
\end{abstract}

\dates{This manuscript was compiled on \today}
\doi{\url{www.pnas.org/cgi/doi/10.1073/pnas.XXXXXXXXXX}}

\begin{document}

% Optional adjustment to line up main text (after abstract) of first page with line numbers, when using both lineno and twocolumn options.
% You should only change this length when you've finalised the article contents.
\verticaladjustment{-2pt}

\maketitle
\thispagestyle{firststyle}
\ifthenelse{\boolean{shortarticle}}{\ifthenelse{\boolean{singlecolumn}}{\abscontentformatted}{\abscontent}}{}

% If your first paragraph (i.e. with the \dropcap) contains a list environment (quote, quotation, theorem, definition, enumerate, itemize...), the line after the list may have some extra indentation. If this is the case, add \parshape=0 to the end of the list environment.

\acknow{$acknowledgements$}

$body$

$for(include-after)$
$include-after$
$endfor$


% Bibliography
% \bibliography{pnas-sample}

\end{document}

