1. Departments of Anesthesiology and Critical Care Medicine, Safar Center for Resuscitation Research and Brain Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania
2. Departments of Neurosurgery, Safar Center for Resuscitation Research and Brain Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania
3. Departments of Pharmacology, Safar Center for Resuscitation Research and Brain Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Departments of Anesthesiology and Epidemiology, Safar Center for Resuscitation Research and Brain Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania