-\chapterauthor{Pierre Fortin}{Laboratoire d'Informatique de Paris 6, University Paris 6}
-\chapterauthor{Rachid Habel}{T\'el\'ecom SudParis}
-\chapterauthor{Fabienne J\'ez\'equel}{Laboratoire d'Informatique de Paris 6, University Paris 6}
-\chapterauthor{Jean-Luc Lamotte}{Laboratoire d'Informatique de Paris 6, University Paris 6}
+\chapterauthor{Pierre Fortin, Fabienne J\'ez\'equel and Jean-Luc Lamotte}{Laboratoire d'Informatique de Paris 6, University Paris 6, France}
+\chapterauthor{Rachid Habel}{T\'el\'ecom SudParis, France}
+%\chapterauthor{Fabienne J\'ez\'equel}{Laboratoire d'Informatique de Paris 6, University Paris 6}
+%\chapterauthor{Jean-Luc Lamotte}{Laboratoire d'Informatique de Paris 6, University Paris 6}
\chapterauthor{Stan Scott}{School of Electronics, Electrical Engineering \& Computer Science,
-The Queen's University of Belfast}
+The Queen's University of Belfast, Ireland}
%\newcommand{\fixme}[1]{{\bf #1}}