From the Division of Neurosurgery, St Michael’s Hospital, Labatt Family Centre of Excellence in Brain Injury and Trauma Research, Keenan Research Centre of the Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada (G.M.I., B.R.M.); Department of Surgery (G.M.I., R.L.M.) and Institute of Medical Science (G.M.I.), University of Toronto, Toronto, Ontario, Canada; and Department of Medical Imaging, Hospital for Sick Children, Toronto, Ontario, Canada (G.M.I., B.R.M.). (2014-03時点)