[1] Univ Southern Denmark, Ctr Human Interact, Dept Language & Commun, COMAC Res Cluster, Sdr Stationvej 28, DK-4200 Slagelse, Denmark
[2] Univ Southampton, Southampton Management Sch, Southampton SO17 1BJ, Hants, England
[3] Univ Danang, VNUK Insitute, Danang, Vietnam