1. Paracelsus‐Elena‐Klinik Kassel Germany
2. Department of Neurology University Medical Centre Goettingen Goettingen Germany
3. Psychologische Hochschule Berlin Berlin, Berlin Germany
4. Department of Clinical Neurophysiology University Medical Centre Goettingen Goettingen Germany
5. Department of Medical Statistics University Medical Centre Goettingen Goettingen Germany
6. Department of Neurosurgery University Medical Centre GoettingenGoettingen Germany