1. Department of Child and Adolescent Psychiatry and Psychotherapy at the Albert-Ludwigs–University Freiburg, Freiburg, Germany.
2. Clinic and Polyclinic for Psychiatry and Psychotherapy for Child and Adolescent Age Groups at the Philipps–University Marburg, Marburg, Germany.
3. Clinic for Child and Adolescent Psychiatry of the University Clinic at the RWTH Aachen, Aachen, Germany.
4. Clinic and Polyclinic for Child and Adolescent Psychiatry at the Julius-Maximilians–University Wuerzburg, Wuerzburg, Germany.