1. Professor and Head, Addiction Division, University of Calgary, Calgary, Alberta; Consultant, Addiction Centre and Program, Alberta Health Services, Calgary, Alberta
2. Professor of Psychiatry, Psychology, and Community Health Sciences, University of Manitoba, Winnipeg, Manitoba; Consulting Psychiatrist, Operational Stress Injury Clinic, Deer Lodge Hospital, Winnipeg, Manitoba
3. Professor of Psychiatry, and Family and Preventive Medicine, University of California, San Diego, California