\documentclass[12pt]{article}
%\usepackage{graphicx}
%\usepackage{amssymb}
%\usepackage{amsmath}

\usepackage{nusym13a}

\begin{document}
%
% Title of the contribution
%
\title{How to prepare an abstract for NuSYM13}

%
% Authors and addresses
% This is an example of two authors from different institutions.
% Put the speaker's name in \speaker{}.
%
\author{\speaker{P.~Danielewicz}$^1$, C.J.~Horowitz$^2$, Bao-An~Li$^3$,
  A.~Ono$^4$, A.~Ohnishi$^5$ and
  M.B.~Tsang$^1$}
\affiliation{
$^1$National Superconducting Cyclotron Laboratory and Department of
Physics and Astronomy, Michigan State University,
East Lansing, Michigan 48824, USA\\
$^2$Department of Physics and Nuclear Theory Center,
IndianaUniversity, Blooomington, Indiana 47405, USA\\
$^3$Department of Physics and Astronomy, Texas A\&M University-Commerce,
Commerce, Texas 75429-3011, USA\\
$^4$Department of Physics, Tohoku University, Sendai 980-8578, Japan\\
$^5$Yukawa Institute for Theoretical Physics, Kyoto University,
Kyoto 606-8502, Japan\\
}

Here comes the abstract of your contribution.  

We are pleased to announce the Third International Symposium on
Nuclear Symmetry Energy (NuSYM13) will be held on July 22-26, 2013 at
the National Superconducting Cyclotron Laboratory, NSCL/FRIB, East
Lansing, Michigan, USA.

If you are interested to give a presentation (oral or poster), please
submit an abstract at our website \cite{nusym13abst}.

For more information of this symposium, please visit the NuSYM13 home
page \cite{nusym13home}.


\begin{thebibliography}{9}
\bibitem{nusym13abst}
  http://www.nucl.phys.tohoku.ac.jp/nusym13/absform.html
\bibitem{nusym13home}
  http://www.nucl.phys.tohoku.ac.jp/nusym13/
\end{thebibliography}

\end{document}
