1. Center for Research and Enterprise in Language (CREL), School of Humanities & Social Sciences, University of Greenwich , Park Row , London SE10 9LS , UK
2. Department of Language and Culture , HSL-Fakultet, The Arctic University of Norway, University of Tromsø , Tromsø , Norway
3. CNRS – Université de Lille, STL UMR 8163 – CNRS, Université de Lille, Domaine du Pont-de-bois , Villeneuve d’Ascq Cedex , France