Susan Rees1, Alvin Kuowei Tay2, Moses Kareth2, Derrick Silove2. 1. Psychiatry Research and Teaching Unit, School of Psychiatry, University of New South Wales, Liverpool, NSW 2170, Australia s.j.rees@unsw.edu.au. 2. Psychiatry Research and Teaching Unit, School of Psychiatry, University of New South Wales, Liverpool, NSW 2170, Australia.