1. Faculty of Medicine, Institute of Neuroanatomy, University of Bonn, 53115 Bonn, Germany
2. University Hospital Bonn, 53127 Bonn, Germany
3. Institute of Anatomy and Cell Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
4. Department of Pathology, Amsterdam University Medical Center, 1007 MB Amsterdam, The Netherlands
5. Institute of Anatomy, Rostock University Medical Center, 18057 Rostock, Germany