1. Australian Centre for Posttraumatic Mental Health, PO Box 5444, West Heidelberg, Vic, 3081, Australia
2. School of Psychology, University of New South Wales, Sydney, New South Wales, Australia
3. Centre for Military and Veterans’ Health, University of Adelaide, Adelaide, South Australia, Australia
4. Brain Sciences Institute, Swinburne University, Melbourne, Victoria, Australia
5. Behavioural and Community Health Sciences, University of Sydney, Sydney, New South Wales, Australia
6. Centre for Disasters and Terrorism, University of Western Sydney, Penrith, New South Wales, Australia
7. School of Population Health, University of Queensland, Brisbane, Queensland, Australia
8. Adelaide Health Technology Assessment, University of Adelaide, Adelaide, South Australia, Australia