1. Wellbeing Service County of Päijät-Häme, Lahti, Finland
2. PEDEGO, Oulu University Hospital, Oulu, Finland
3. Department of Child Neurology and General Practice, Turku University and Turku University Central Hospital, Turku, Finland
4. Department of Neurology, Helsinki University Hospital and Department of Clinical Neurosciences (Neurology) University of Helsinki, Helsinki, Finland