1. Psychiatry Clinic, Tallinn Children's Hospital, Tallinn, Estonia
2. Institute of Psychology, University of Tartu, Tartu, Estonia
3. Institute of Psychology, Tallinn University, Tallinn, Estonia
4. Department of Neurology and Neurorehabilitation, Children's Clinic, Tartu University Hospital, Tartu, Estonia
5. Department of Pediatrics, Faculty of Medicine, University of Tartu, Tartu, Estonia
6. Faculty of Science and Technology, University of Tartu, Tartu, Estonia