1 Division of Neurology, Section of Neurocritical Care, Lahey Hospital and Medical Center, 41 Mall Rd., Burlington, MA, 01805, USA. Joseph.D.Burns@Lahey.org.
2 Department of Neurology, Tufts University School of Medicine, Boston, MA, USA. Joseph.D.Burns@Lahey.org.
3 Department of Neurosurgery, Tufts University School of Medicine, Boston, MA, USA. Joseph.D.Burns@Lahey.org.