Walter Vandereycken is Professor of Psychiatry, Psychology Institute, Catholic University of Louvain and Clinical Director, Centre for Behaviour Therapy, Alexanian Psychiatric Hospital, Tienen, Belgium. He is the co-author of From Fasting Saints to Anorexic Girls: The History of Self-Starvation.
P. V. J. Beaumont is Professor of Psychiatry and Head of the Department of Psychological Medicine at the University of Sydney, Australia.