-Bassam Al-Kindy,
-Jean-Fran\c{c}ois Couchot,
-Christophe Guyeux,
-and Michel Salomon*\\
-FEMTO-ST Institute, UMR 6174 CNRS\\
-Computer Science Laboratory DISC,
-University of Franche-Comt\'{e},
-Besan\c con, France.\\
- $*:$ Authors in alphabetic order.\\
+Bassam AlKindy\footnote{email: bassam.al-kindy@univ-fcomt\'{e}.fr} \and Jacques Bahi
+\and Jean-Fran\c{c}ois Couchot \and Christophe Guyeux \and Arnaud Mouly \and
+Michel Salomon \and\\
+FEMTO-ST Institute, UMR 6174 CNRS, \\
+Computer Science Department DISC, \\
+Universit\'{e} de Franche-Comt\'{e}, France \\
+{\small \it Authors in alphabetic order}