1. Division of Neurocritical Care, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
3. Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
4. Department of Neurology, Yale University, New Haven, Connecticut
5. Division of Brain Injury Outcomes, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
6. The George Institute China at Peking University Health Sciences Center, Beijing, China
7. Skane University Hospital, Lund University, Lund, Sweden
8. The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
9. Department of Neurosurgery, University of Chicago, Chicago, Illinois