1. Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
2. Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
3. Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
4. Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
5. Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
6. Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.