Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.|Univ Rennes, Inria, CNRS, IRISA, Rennes, France.