1. From the Departments of Neurosurgery and Neurology (K.B.P.), Duke University Medical Center, Durham, NC; Department of Neurology (J.T., K.D.), Northwestern University, Chicago, IL; Neurology (E.R.G.), Massachusetts General Hospital, Boston; Department of Neurology (T. Wychowski), University of Rochester Medical Center, Rochester, NY; Department of Neurology (A.M.S.), Haukeland University Hospital, Bergen, Norway; Departments of Neurology and Neurosurgery (T. Walbert), Henry Ford Health, Wayne State...