1. Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada
2. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada
3. Homewood Health Centre, Guelph, Ontario, Canada
4. Defence Research and Development Canada, Department of National Defence, Toronto, Ontario, Canada
5. Department of Psychiatry, University of Ottawa, Ottawa, Ontario, Canada
6. Department of Psychiatry, Western University, London, Ontario, Canada