article.latex.tex

\documentclass[preprint,12pt]{elsarticle}

\usepackage{amssymb,amsmath}
\usepackage{hyperref}
\usepackage{longtable,booktabs}
\usepackage{graphicx,grffile}
\usepackage[utf8]{inputenc}

\usepackage{epstopdf} % convert eps images to pdf

% Subfloat

\usepackage{subfig}
\usepackage{float}

\bibliographystyle{elsarticle-num}

\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

\begin{document}

\begin{frontmatter}
\title{$title$}

%%%%%%%%%%%%%%%%%%%%%% Authors %%%%%%%%%%%%%%%%%%%%%%%%%%%%
% http://tex.stackexchange.com/questions/84573/elsarticle-class-not-displaying-email-addresses

\author[aff1]{Name Surname\corref{cor1}}
\ead{email}
\author[aff2]{Name Surname}
\ead{email}
\cortext[cor1]{Corresponding author}
\address[aff1]{Address1}
\address[aff2]{Address2}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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

\begin{keyword}
  key1 \sep 
  key2 \sep
  key3 \sep
  key 4 
  
\end{keyword}
 
\end{frontmatter}

$body$

\bibliography{$for(bibliography)$$bibliography$$sep$,$endfor$}

\end{document}