1. Department of Health Sciences University Magna Graecia of Catanzaro Catanzaro Italy
2. Center for Clinical Research and Treatment of Eating Disorders Mater Domini University Hospital Catanzaro Italy
3. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
4. Centre for Psychiatry Research, Department of Clinical Neuroscience Karolinska Institutet Stockholm Sweden
5. Stockholm Health Care Services Region Stockholm Stockholm Sweden
6. Department of Psychiatry University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
7. Department of Nutrition University of North Carolina at Chapel Hill Chapel Hill North Carolina USA