Thu Ngo is Lecturer in Language and Literacy in the School of Education at Australian Catholic University, Australia.

Susan Hood is Honorary Associate Professor in the Department of Linguistics, University of Sydney, Australia.

J. R. Martin is Professor of Linguistics at the University of Sydney, Australia.

Clare Painter is Honorary Associate in the Department of Linguistics, University of Sydney, Australia.

Bradley A. Smith is Honorary Associate in the Department of Linguistics, University of Sydney, Australia.

Michele Zappavigna is Associate Professor in the School of the Arts & Media at the University of Sydney, Australia.