1. Northern Sydney Local Health District, Sydney, NSW, and; Department of Psychiatry, The University of Sydney, Sydney, NSW, Australia
2. Western Sydney Local Health District, Sydney, NSW, and; Department of Psychiatry, University of NSW, Sydney, NSW; and Faculty of Health University of Technology Sydney, NSW, Australia
3. Department of Psychiatry, The University of Sydney, Sydney, NSW, and; Department of Psychiatry University of NSW, Sydney, NSW; Sydney Local Health District; School of Medicine University of Western Sydney, NSW, and; Department of Psychiatry, Hanoi Medical University, Vietnam