1. The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
2. Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
3. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.
4. Jan and Dan Duncan Neurological Research Institute at Texas Children’s Hospital, Houston, TX, USA.
5. Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
6. Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
7. Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX, USA.
8. Department of Pathology, Massachusetts General Hospital, Boston, MA, USA.
9. McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
10. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
11. Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
12. Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
13. Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
14. Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, CA, USA.