1. Department of Neurology, Klinikum Großhadern, Ludwig Maximilians Universität München, 81377 Munich, Germany
2. Department of Anatomy and Neurobiology, USD-Odense University, 5000 Odense C, Denmark
3. Institute of Human Genetics, Technical University Munich and GSF, National Research Centre, Munich, Germany
4. Institute for Clinical Molecular Biology, GSF, National Research Centre for Environment and Health, Munich, Germany
5. Department of Neurosurgery, University of Bern, Inselspital, Freiburgstraße, CH-3010 Bern, Switzerland