1. Department of Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, University of Heidelberg, Heidelberg, Germany
2. Department of Child and Adolescent Psychiatry, Saarland University Medical Center, Homburg, Germany
3. University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University Psychiatric Department (UPD), University of Bern, Bern, Switzerland
4. Department of Psychology, Pennsylvania State University, University Park, United States