1. Department of Paediatric Neurology New Children's Hospital and Paediatric Research Centre University of Helsinki and Helsinki University Hospital Helsinki Finland
2. Department of Paediatric Psychiatry New Children's Hospital and Paediatric Research Centre University of Helsinki and Helsinki University Hospital Helsinki Finland
3. Department of Paediatric Neurology University of Tampere Tampere Finland
4. Department of Paediatrics Tampere University Hospital Tampere Finland
5. Faculty of Medicine and Life Sciences Tampere University Tampere Finland
6. Department of Paediatric Neurology University of Oulu and Oulu University Hospital Oulu Finland
7. Department of Paediatric Neurology University of Kuopio and Kuopio University Hospital Kuopio Finland
8. Department of Paediatrics New Children's Hospital, and Paediatric Research Centre University of Helsinki and Helsinki University Hospital Helsinki Finland