1. From the Division of Neurocritical Care and Emergency Neurology, Department of Neurology (K.N.S., N.H.P.)
2. Department of Biostatistics, Columbia University, New York, NY (K.C.)
3. Department of Public Health Sciences, Medical University of South Carolina, Charleston (J.J.E.)
4. Department of Neurology, Oregon Health Sciences University, Portland (H.E.H.)
5. Department of Neurology, University of Pittsburgh, PA (B.J.M.)
6. Division of Neurology, Children’s Hospital of Philadelphia, Departments of Neurology and Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia (L.A.B.)
7. Department of Radiology (G.K.S.), Yale University School of Medicine, New Haven, CT
8. Department of Neurosurgery, University of Maryland School of Medicine, Baltimore (J.M.S.)
9. Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Massachusetts General Hospital, Boston (W.T.K.).