Int J Eat Disord 2015 Jan 29;48(1):1-8. Epub 2014 Apr 29.
Research Unit for Child and Adolescent Psychiatry, Psychiatric Hospital, Aalborg University Hospital, Aalborg, Denmark; Clinical Psychology and Epidemiology, Institute of Psychology, University of Basel, Switzerland; Department of Child and Adolescent Psychiatry, University of Zurich, Switzerland.