1 From the Department of Psychiatry, Schulich School of Medicine & Dentistry, Wester University, London, Ont., Canada (Sabesan, Palaniyappan); the North Queensland Psychiatry Training Programme, Townsville Hospital and Health Service, Townsville, Australia (Kasianandan); and the Robarts Research Institute & Lawson Health Research Institute, London, Ont., Canada (Palaniyappan).