1. Department of Clinical Neurophysiology; Kuopio University Hospital; Kuopio Finland
2. Faculty of Health Sciences; Institute of Clinical Medicine; University of Eastern Finland; Kuopio Finland
3. Department of Clinical Neurophysiology; Seinäjoki Central Hospital; Seinäjoki Finland
4. Department of Applied Physics; University of Eastern Finland; Kuopio Finland
5. Institute of Health and Biomedical Innovation; Queensland University of Technology; Brisbane Qld Australia