Professor of Neurology, University of Berne, Chief Physician, Neurology Departement …

Harvard Medical School

University of Minnesota Center for Magnetic Resonance Research

UCL Queen Square Institute of Neurology

Professor Neuropsychology, Cleveland Clinic

Professor of Neurosurgery, Université Catholique de Louvain

Professor, Dep. of Neurology, Aarhus University Hospital

University of California Los Angeles

Professor of Neurosurgery

University of Oslo