%\usepackage[font=scriptsize,labelfont=bf]{caption}
\usepackage{lmodern}
+\usepackage{todonotes}
+\newcommand{\AG}[2][inline]{\todo[color=green!50,#1]{\sffamily\small\textbf{AG:} #2}}
+
\begin{document}
\title{Optimal Dynamic Frequency Scaling for Energy-Performance of Parallel MPI Programs}