Christian M.I.M. Matthiessen is professor of linguistics at Complutense University of Madrid.Kazuhiro Teruya has previously taught at the Hong Kong Polytechnic University, PRC and at the University of New South Wales, Australia. He was also involved in the Language-based Intelligent Systems project at the Brain Science Institute, RIKEN, in Japan.Kaela Peijia Zhang is a lecturer in the Department of English at Hang Seng University of Hong Kong.Diana Slade is a professor of applied linguistics and director of the Institute for Communication in Health Care at the Australian National University.