1. Outpatient Clinic of Transcultural Psychiatry and Migration-Induced Disorders in Childhood and Adolescence, Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria.
2. Department of Orthopaedic Surgery, Evangelisches Krankenhaus Vienna, Vienna, Austria.
3. Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria.