1. Department of Neurosurgery; University Medical Centre; Johannes-Gutenberg-University Mainz; Mainz Germany
2. Department of Trauma Surgery and Neurosurgery; Asklepios Hospital Weißenfels; Weissenfels Germany
3. Institute of Neuroradiology; University Medical Centre; Johannes-Gutenberg-University Mainz; Mainz Germany
4. Department of Neurology; University Medical Centre; Johannes-Gutenberg-University Mainz; Mainz;]?> Germany