1 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Clinical Neurophysiology, Karolinska University Hospital, Stockholm, Sweden.
2 Clinical Neurophysiology, Karolinska University Hospital, Stockholm, Sweden.
3 Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.
4 Vallingby Neuro, Lakarhus, Stockholm, Sweden.
5 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
6 Department of Neurology, Mayo Clinic, Rochester, MN, USA.
7 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Clinical Neurophysiology, Karolinska University Hospital, Stockholm, Sweden. Electronic address: gerald.cooray@ki.se.