Sherry H. Stewart, Ph.D., is a Killam research professor in the Departments of Psychiatry, Psychology, and Community Health and Epidemiology at Dalhousie University in Halifax, NS, Canada. She is a licensed psychologist in the province of Nova Scotia. Her research focuses on risk factors for anxiety and the overlap of anxiety and addictive behaviors. She has received research funding from such agencies as the Canadian Institutes of Health Research, the National Institutes of Alcohol Abuse and Alcoholism, and the Alcoholic Beverage Medical Research Foundation. Steven Taylor, PhD, is a clinical psychologist and Professor of Psychiatry at the University of British Columbia.

Dr. Taylor received early career awards from the Canadian Psychological Association, Anxiety Disorders Association of America, and Association for Behavioral and Cognitive Therapies. He is the author of over 200 papers and books, including Anxiety Sensitivity: Theory, Research, and Treatment of the Fear of Anxiety (Erlbaum 1999). He is actively involved in clinical research, teaching, and supervision of students. Dr. Taylor maintains a private practice in Vancouver, BC. Margo C. Watt, Ph.

D., is associate professor of psychology at St. Francis Xavier University in Antigonish, NS, Canada, and adjunct professor of psychology at Dalhousie University in Halifax, NS, Canada. She is a licensed clinical psychologist in the province of Nova Scotia, where she maintains a limited private practice, and has training and experience in clinical, health, and forensic psychology. Her research is funded by the Social Sciences and Humanities Research Council and the Nova Scotia Health Research Foundation.