1 Department of Clinical Neurosciences, Neurology Service, Centre Hospitalier Universitaire Vaudois, Lausanne Hospital and Faculty of Biology and Medicine University of Lausanne, Lausanne, Switzerland.
2 Department of Intensive Care Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne Hospital and Faculty of Biology and Medicine University of Lausanne, Lausanne, Switzerland. Electronic address: Mauro.oddo@chuv.ch.