\documentclass[a4paper,twoside]{report}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{RJournal}
\usepackage[sectionbib,round]{natbib}

\bibliographystyle{abbrvnat}
\usepackage{amsmath,amssymb,array}
\usepackage{booktabs} % for tables

\begin{document}

\sectionhead{}
\volume{$volume$}
\volnumber{$issue$}
\year{$issue_year$}
\month{$issue_month$}

\titlepage

\vspace*{1in}
\begin{center}
\begin{minipage}{0.65\textwidth}
    \begin{center}
    The \R{} Journal is a peer-reviewed publication of
    the \R{} Foundation for Statistical Computing. Communications
    regarding this publication should be addressed to the editors. All
    articles are licensed under the Creative Commons Attribution 4.0
    International license (CC BY 4.0, \url{http://creativecommons.org/licenses/by/4.0/}).
    \bigskip

    Prospective authors will find detailed and up-to-date submission
    instructions on the Journal's homepage.


    \bigskip
      \textbf{Editor-in-Chief:}\\
      $for(editors.chief)$
        $editors.chief.name$, $editors.chief.affiliation$, $editors.chief.country$
      $endfor$\\

    \bigskip
      \textbf{Executive editors:}\\
      $for(editors.executive)$
        $editors.executive.name$, $editors.executive.affiliation$, $editors.executive.country$\\
      $endfor$

%    \bigskip
%      \textbf{Editor Programmer's Niche:}\\
%      Bill Venables

%    \bigskip
%      \textbf{Editor Help Desk:}\\
%      Uwe Ligges

%    \bigskip
%      \textbf{Editor Book Reviews:}\\
%      G. Jay Kerns\\
%      Department of Mathematics and Statistics\\
%      Youngstown State University\\
%      Youngstown, Ohio 44555-0002\\
%      USA\\
%      \texttt{gkerns@ysu.edu}

    \bigskip
    \textbf{\R{} Journal Homepage:}\\
    \url{http://journal.r-project.org/}

    \bigskip
    \textbf{Email of editors and editorial board:}\\
    \texttt{r-journal@R-project.org}

    \bigskip The R Journal is indexed/abstracted by EBSCO, DOAJ, Thomson Reuters.

    $body$

  \end{center}

  \end{minipage}
\end{center}

\newpage

\end{document}
