Parkinson's disease, DBS and suicide: a role for serotonin?

1 National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA 2 Division of Neurology, Department of Medicine, University of Toronto, UHN, Toronto, Canada 3 Department of Neurology, University Joseph Fourier, Grenoble, France 4 Clinique Neurologique, Lille University Hospital, Lille, France 5 National Institute of Health and Medical Research (INSERM), Hôpital de la Pitié-Salpêtrière, Paris, France 6 Department of Neurology, Université Lyon I, Hospital Neurologique Pierre Wertheimer, Lyon, France 7 Department of Neurology, University of Milan, Italy 8 Department of Neurology, Christian-Albrechts-Universität Kiel, Kiel, Germany 9 Academic Medical Center of Amsterdam, Amsterdam, The Netherlands 10 Department of Psychiatry and Psychology, University of Arizona, Phoenix, AZ, USA 11 The Cleveland Clinic Foundation, OH, USA