1. Department of Psychiatry, Otto-von-Guericke-University of Magdeburg, Magdeburg
2. Department of Stereotaxy and Functional Neurosurgery, University of Cologne, Cologne
3. Department of Stereotactic Neurosurgery, Otto-von-Guericke-University of Magdeburg, Magdeburg
4. Department of Neurology, Otto-von-Guericke-University of Magdeburg, Magdeburg