-\author{Jean-Fran\c cois Couchot, Raphael Couturier, and Christophe Guyeux*\\
- $*:$ Authors in alphabetic order.\\
- FEMTO-ST Institute, UMR 6174 CNRS\\
- Computer Science Laboratory DISC,
- University of Franche-Comt\'{e},
- Besan\c con, France.
-}
-%\authorrunning{J.-F. Couchot, R. Couturier, and C. Guyeux}
-
-%\mail{jean-francois.couchot@femto-st.fr}
-
-\newcommand{\JFC}[1]{\begin{color}{green}\textit{#1}\end{color}}
-\newcommand{\RC}[1]{\begin{color}{red}\textit{}\end{color}}
-\newcommand{\CG}[1]{\begin{color}{blue}\textit{}\end{color}}
+\newcommand{\JFC}[1]{\begin{color}{red}\textit{#1}\end{color}}
+\newcommand{\RC}[1]{\begin{color}{red}\textit{#1}\end{color}}
+\newcommand{\CG}[1]{\begin{color}{red}\textit{#1}\end{color}}