1. Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
2. Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
3. Department of Neurosurgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
4. Safar Center for Resuscitation Research, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
5. Clinical and Translational Science Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
6. School of Nursing, Columbia University, New York, New York.
7. Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
8. Department of Biostatistics, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.
9. Department of Anesthesia, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
10. Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania.
11. School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania.
12. Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.