1. Department of Psychology – Division of Child and Adolescent Health Psychology, University of Zurich, Zurich, Switzerland
2. Department of Psychosomatics and Psychiatry, University Children’s Hospital Zurich, Zurich, Switzerland
3. Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital Ulm, Ulm, Germany
4. Department of Psychology, Catholic University of Eichstätt-Ingolstadt, Eichstätt, Germany