respectively Professor and Associate Chair, Neuropsychiatric Research Institute and Department of Clinical Neuroscience, University of North Dakota School of Medicine and Health Sciences, Fargo, North Dakota, USA; Professor and Chairman, Neuropsychiatric Research Institute and Department of Clinical Neuroscience, University of North Dakota School of Medicine and Health Sciences, Fargo, North Dakota, USA; Professor of Psychosomatic Medicine and Psychiatry, University of Erlangen-Nuremberg, Erlangen, Germany; Director, Eating Disorders Program, Douglas Mental Health University Institute; Professor, Psychiatry Department, McGill University, Montreal, Canada