1 From the Department of Anesthesia (L.L.), Critical Care & Pain Medicine, Massachusetts General Hospital, Boston; Department of Neurology (C.I.P.), University of Oklahoma Health Sciences Center and Veterans Affairs Medical Center, Oklahoma City; Stroke Center Klinik Hirslanden (N.P.), Zurich; and Department of Neurology (N.P.), University Hospital Basel and University of Basel, Switzerland. lleffert@partners.org.
2 From the Department of Anesthesia (L.L.), Critical Care & Pain Medicine, Massachusetts General Hospital, Boston; Department of Neurology (C.I.P.), University of Oklahoma Health Sciences Center and Veterans Affairs Medical Center, Oklahoma City; Stroke Center Klinik Hirslanden (N.P.), Zurich; and Department of Neurology (N.P.), University Hospital Basel and University of Basel, Switzerland.