1Epilepsia Helsinki, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
2Department of Clinical Neurophysiology and BABA center, Children’s Hospital, HUS Medical Imaging Center, University of Helsinki and Helsinki University Hospital (HUH), Helsinki, Finland
3Neuroscience Center, Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
4BioMag Laboratory, HUS Medical Imaging Center, Helsinki University Hospital(HUH), Helsinki, Finland
5Department of Neuroscience and Biomedical Engineering, Aalto University, Finland
6Centre for Cognitive Neuroimaging, Institute of Neuroscience and Psychology, University of Glasgow, United Kingdom