1. From the Departments of Neuroscience (M.S.S., A.V.) and Public Health and Community Medicine (L.J.V., P.R.R.), Norwegian University of Science and Technology, Trondheim; Department of Clinical Medicine (E.B.M., H.L., T.I.), Faculty of Health Sciences, and Department of Community Medicine (I.N., T.W., M.-L.L.), University of Tromsø, Tromsø; Departments of Neurology and Clinical Neurophysiology (E.B.M.) and Neurosurgery (T.I.), University Hospital of North Norway, Tromsø; and Department of...