1. Associate Professor, Psychology Department, Simon Fraser University, Burnaby, British Columbia
2. Provincial Youth Treatment Program, Health and Community Services, Moncton, New Brunswick
3. Director, Lyall Preadolescent Day-Treatment Program, Douglas Hospital, Verdun, Quebec
4. Senior Psychiatrist, Maples Adolescent Centre, Burnaby, British Columbia
5. Maples Adolescent Centre, Burnaby, British Columbia
6. Professor of Psychiatry, University of Toronto, Toronto, Ontario; Director, Institute for the Study of Antisocial Behaviour in Youth, Etobicoke, Ontario
7. Institute for the Study of Antisocial Behaviour in Youth, Etobicoke, Ontario Toronto, Ontario