1. From the Departments of Critical Care Medicine (M.O.) and Clinical Neurosciences (E.C., R.T.D., M.L.), Lausanne University Hospital, Lausanne, Switzerland; Laboratory of Neuroenergetics and Cellular Dynamics (P.J.M.), Brain Mind Institute, University of Lausanne, Lausanne, Switzerland; Departments of Neurosurgery (J.M.L., S.F., E.M.W., P.D.L.) and Neurology (J.M.L.), Hospital of the University of Pennsylvania, Philadelphia.