1. Department of Psychiatry, McGill University and Psychiatrist at the McGill University Health Service, McMaster University, Hamilton, Ontario.
2. McGill University Health Service, University of Western Ontario, London, Ontario.
3. Clinical Psychologist at the McGill University Health Service at the time of the study.
4. McMaster University, and Chief Psychologist, Department of Psychiatry, McMaster University Medical Centre, Statistical Consultant to the project.