1. Department of Psychiatry University of Wisconsin–Madison Madison WI USA
2. Department of Psychiatry University of North Carolina at Chapel Hill Chapel Hill NC USA
3. Department of Nutrition University of North Carolina at Chapel Hill Chapel Hill NC USA
4. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
5. Center for Eating and Feeding Disorders Research Mental Health Services in the Capital Region of Denmark, Psychiatric Centre Ballerup Copenhagen Denmark
6. Institut for Biologisk Psykiatri, Psykiatrisk Center Sct. Hans Roskilde Denmark
7. Great Ormond Street Institute of Child Health, University College London London UK