I have a question related to Elsarticle - Abstract two columns wide. I would like an output like the first one in David Carlisle's answer, unfortunately I don't have enough reputation to comment on the Answer.
The code published there:
\documentclass[a4paper,10pt,twocolumn,preprint]{elsarticle}
\usepackage{lipsum}
\journal{TexExchange}
\begin{document}
\begin{frontmatter}
\title{Two-column abstract}
\begin{abstract}
\lipsum[1]
\end{abstract}
\begin{keyword}
abstract
\end{keyword}
\end{frontmatter}
\section{Outline}
\lipsum[2-5]
\end{document}
gives me:

Which is what I get for my actual article too. Now obviously that is useless and what I really want is:

As per the answer to the linked question. (I need to use the elsarticle class with two columns for obvious reasons)