1. Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
2. Division Chief, Neurosurgical Anesthesiology Medical Director, Postanesthesia Care Unit; Department of Anesthesiology, University of Rochester, Rochester, NY, USA
3. Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
4. Department of Anesthesiology & Pain Management, Neurological Surgery, Neurology and Neurotherapeutics, University of Texas, Southwestern, Dallas, TX, USA
5. Department of Neurology, Duke University Medical Center, Durham, NC, USA
6. Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA
7. Department of Neurobiology, Duke University Medical Center, Durham, NC, USA
8. College of Arts and Sciences, Duke University, Durham, NC, USA
9. Private Diagnostic Clinic, Duke University Medical Center, Durham, NC, USA
10. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA