1. Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University, Durham, North Carolina
2. Duke University School of Medicine, Durham, NC, USA
3. Department of Anesthesiology, Duke University, Durham, NC, USA
4. Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA
5. Department of Neurosurgery, Duke University, Durham, NC, USA
6. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA
7. Department of Neurology, Duke University, Durham, NC, USA
8. Department of Medicine, Duke University, Durham, NC, USA
9. Population Health Sciences, Duke University, Durham, NC, USA