1. ORYGEN Research Centre and Department of Psychology, University of Melbourne, Parkville, Vic., 3052, Australia
2. ORYGEN Research Centre, Melbourne, Victoria, Australia
3. University Hospital Marqués de Valdecilla, Department of Psychiatry, University of Cantabria School of Medicine, Santander, Spain
4. Victoria University of Technology School of Nursing and Midwifery, Melbourne, Victoria, Australia
5. Australian Centre for Posttraumatic Mental Health, University of Melbourne, Melbourne, Victoria, Australia