1. Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands;
2. Neuro-oncology Research Group, Department of Neurosurgery, and
3. Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands;
4. Department of Biochemistry and Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands; and
5. Molecular Neurogenetics Unit, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA