1. Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093, USA.
2. Section Molecular Neurobiology, Department of Biomedical Sciences of Cells & Systems, University Medical Center Groningen, University of Groningen, 9713 AV Groningen, the Netherlands.
3. Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
4. Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA.
5. Ludwig Institute for Cancer Research, La Jolla, CA 92093, USA.
6. Flow Cytometry Core Facility, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
7. Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA.
8. Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA.
9. Veterans Affairs San Diego Healthcare System, San Diego, CA 92161, USA.
10. Centre de Recherche du Centre Hospitalier Universitaire de Québec–Université Laval, Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec G1V 4G2, Canada.
11. Department of Neurosurgery, University of California, San Diego–Rady Children’s Hospital, San Diego, CA 92123, USA.
12. Howard Hughes Medical Institute, Department and School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA.
13. The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
14. Department of Cellular and Molecular Medicine, Center for Epigenomics, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA.