1. Institute for Structural Neurobiology, Center for Molecular Neurobiology, ZMNH, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
2. Institute of Molecular Neurogenetics, Center for Molecular Neurobiology, ZMNH, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
3. Neurology Clinic, University Hospital Heidelberg, Im Neuenheimer Feld 400, 69120 Heidelberg, Germany
4. Department of Systems Neuroscience, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, University of Göttingen, 37075 Göttingen, Germany
5. Clinic of Gastroenterology and Hepatology, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
6. Institute of Neuroanatomy, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
7. Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
8. Institute for Neuroanatomy, University Medical Center Göttingen, Georg-August-University Göttingen, 37075 Göttingen, Germany
9. Institute of Clinical Neuroanatomy, Faculty of Medicine, 60590 Frankfurt, Germany