Tournel, Gilles, Lille Cedex FRANCE; Becart-Robert, Anne, Lille Cedex FRANCE; Bourel, Benoit, Lille FRANCE; Balgairies, Axelle, Lille Nord Pas de Calais FRANCE; Hedouin, Valery C., Lille Cedex FRANCE; Gosset, Didier, Lille FRANCE; Houssaye, Cédric, Lille Nord FRANCE