Randi E. McCabe, Ph.D., C.Psych., worked for several years at the University Health Network, Toronto General Hospital Eating Disorders Programme, a world-renowned program in the field of eating disorder treatment. She has published chapters and articles on this subject and has presented at the Eating Disorder Research Society, an international conference for eating disorder researchers. She also maintains a private practice specializing in eating disorder treatment. She is a Staff Psychologist at St. Joseph's Healthcare and an Assistant Professor in the Department of Psychiatry and Behavioural Neurosciences at McMaster University in Hamilton, Ontario, Canada. Traci L. McFarlane, Ph.D., C.Psych., is a Staff Psychologist at the University Health Network, Toronto General Hospital Eating Disorders Programme and an Assistant Professor in the Department of Psychiatry at the University of Toronto. She has presented at many North American and international conferences on the topic of eating disorders and has published chapters and articles in this area. She is also a CBT therapist on a National Institute of Mental Health study for preventing relapse in anorexia nervosa, conducted jointly by the University of Toronto and Columbia University. Marion P. Olmsted, Ph.D., C.Psych., is the Director of the Ambulatory Care for Eating Disorders Programme at the University Health Network, Toronto General Hospital and an Associate Professor in the Department of Psychiatry at the University of Toronto. She is a well-known expert in the treatment of eating disorders and has presented at numerous international scientific meetings and published many articles and book chapters in this area. She is also a co-investigator and CBT therapy supervisor on a National Institute of Mental Health study for preventing relapse in anorexia nervosa, conducted jointly at the University of Toronto and Columbia University.