\documentclass[12pt]{article}
\textwidth 160 mm
\textheight 240 mm
\hoffset -14 mm
\voffset -22 mm

\parindent 0pt
\pagestyle{empty}

\begin{document}

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\begin{center}

{\bf PRESENTATION TITLE (BOLD, 14pt)}
                           
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First Author$^{1,2}$, Second Author$^1$, and Third Author$^2$ (Roman 12pt)

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$^1$\,{\em First University, first address}\\
\vspace*{1mm}
$^2$\,{\em Second Institute, second address (Italic, 12pt)}\\

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\baselineskip 15 pt

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Insert here your abstract. It may contain figures and equations as well,
but please be careful not to exceed the one A4-page length limit. Text width
is limited to 16~cm. Use Roman 12pt size fonts. You may add
references, too [1,2].

\vspace*{8mm}

\noindent
[1]~First reference.\\
\noindent
[2]~Second reference (Roman 12pt).\\

\end{document}