From the Departments of Neurosurgery (K.M., B.R., T.I.) and Neurology (K.W.), University Hospital of North Norway, Tromsø, Norway; Institute of Clinical Medicine (B.R., K.W., T.I.), University of Tromsø, Tromsø, Norway; Emergency Department (W.T.), Hope University Hospital, Salford, UK; Department of Orthopedic Surgery, Sports Medicine and Trauma Surgery (N.B.), Spital Oberengadin, Samedan/St. Moritz, Switzerland; and the Department of Neurosurgery (J.U., B.R.), Lund University Hospital, Lund, Sweden.
Submitted for publication November 14, 2005.
Accepted for publication February 8, 2007.
Address for reprints: Tor Ingebrigtsen, Department of Neurosurgery, University Hospital of North Norway, N-9038 Tromsø, Norway; email: [email protected].