1 University of Bonn Epileptology Venusberg-Campus 1 Building 83, D-53127 Bonn, Germany; National Center for EpilepsyNorway, Oslo University Hospital, Postboks 4950 Nydalen 0424 Oslo, Norway. Electronic address: c.helmstaedter@uni-bonn.de.
2 Department of Neurology, Biomagnetism University Hospital Erlangen, private practice: Allee am Röthelheimpark, Erlangen, Germany.
3 Department of Neurology, University of Magdeburg, Leipzigerstr. 44, D-39120 Magdeburg, Germany.
4 Academic Neurology Unit, University of Sheffield, Royal Hallamshire Hospital, Glossop Road, Sheffield, S10 2JF. Electronic address: m.reuber@sheffield.ac.uk.