1. From the Department of Neurological Surgery (D.O.O.), University of Pittsburgh Medical Center, PA; New England Institute for Neurology and Headache (P.M.), Stamford, CT; Department of Neurosurgery (A.S.A.), Loma Linda University Medical Center, CA; Department of Neurosurgery (Y.K.), The University of Tokyo Hospital, Japan; Department of Neurosurgery (M.K.), Hokkaido University Hospital, Sapporo, Japan; Department of Neurology (S.C.C.), University of California, Los Angeles; Westview Clinical...