1. Department of Psychiatry; Royal College of Surgeons in Ireland, Educational and Research Centre, Beaumont Hospital; Dublin 9 Ireland
2. School of Psychology and Institute of Neuroscience, Trinity College; Dublin 2 Ireland
3. Image Sciences Institute, University Medical Center Utrecht; Utrecht The Netherlands
4. Department of Psychiatry; National University of Ireland; Galway Ireland
5. Departments of Psychiatry and Psychology; University of Vermont; Vermont USA