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\begin{document}
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\title{Finding the core-genes of Chloroplast Species}
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.\\
+FEMTO-ST Institute, UMR 6174 CNRS\\
+Computer Science Laboratory DISC,
+University of Franche-Comt\'{e},
+Besan\c con, France.\\
$*:$ Authors in alphabetic order.\\
}
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\section{Introduction}\label{sec:intro}
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\end{document}