1. Departments of Neurosurgery and
2. Division of Neurosurgery, Hospital for Sick Children and Toronto Western Hospital, Toronto, Ontario, Canada; Departments of
3. Neurological Surgery,
4. Psychiatry and BioBehavioral Sciences, The Brain Research Institute, University of California, Los Angeles, California;
5. Division of Pediatric Neurosurgery, Department of Surgery, Sainte Justine Hospital, University of Montreal, Quebec, Canada
6. Neurology/Division of Pediatric Neurology, and
7. Radiology, University of Washington, Seattle Children’s Hospital, Seattle, Washington; and