1. GGZ Rivierduinen Eating Disorders Ursula Leiden Netherlands
2. Department of Psychiatry Leiden University Medical Center Leiden Netherlands
3. Methodology and Statistics Research Unit, Institute of Psychology Leiden University Leiden Netherlands
4. Leiden Institute for Brain and Cognition Leiden University Medical Center Leiden Netherlands
5. Research Group of Quantitative Psychology and Individual Differences, Faculty of Psychology and Educational Sciences KU Leuven Leuven Belgium
6. Center for Psychotherapy Research University Hospital Heidelberg Germany