1. Eating Disorders Unit at Department of Child and Adolescent Psychiatry, Medical University of Vienna, Austria
2. University of Marburg/Lahn, Department of Child and Adolescent Psychiatry and Psychotherapy, Germany
3. Eating Disorders Unit and Research Group CIBEROBN, Department of Psychiatry, University Hospital of Bellvitge, Hospitalet del Llobregat, Barcelona, Spain
4. Social, Genetic, and Developmental Centre and Eating Disorders Research Unit, Division of Psychological Medicine, Institute of Psychiatry, University of London, UK
5. Department of Academic Psychiatry, Bermondsey Wing, Guys Hospital, University of London, UK