\include{header}

\begin{document}

\setbeamertemplate{subsection in sidebar shaded}[sidebar theme]

\include{intro}

\include{Preface}

\include{treatment}

\include{metaheur}

\include{sbse}

\include{itl}

\include{experiments}

\include{conclusions}

\include{questions}

\end{document}
 
