1. Department of Neurology, Boston Children’s Hospital, Boston, MA, USA
2. Department of Medicine, Howard Hughes Medical Institute, Harvard Medical School, Boston, MA, USA
3. Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA, USA
4. Division of Biostatistics, Institute of Public Health, National Yang Ming University, Taipei, Taiwan
5. Division of Genetics, Boston Children’s Hospital, Boston, MA, USA
6. Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
7. Department of Radiology, University of California at San Francisco Medical School, San Francisco, CA, USA