1. Department of Pediatrics, Washington University in Saint Louis, Saint Louis, Missouri
2. Department of Emergency Medicine, School of Medicine, University of Missouri, Columbia, Missouri
3. Department of Pediatrics, Institute for Informatics Data Science and Biostatistics, Washington University in Saint Louis, St. Louis, Missouri
4. Department of Neurology, Washington University in St. Louis, St. Louis, Missouri
5. Department of Emergency Medicine, Washington University School of Medicine, St. Louis, Missouri
6. Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, California
7. Philip R. Lee Institute for Health Policy Studies and Department of Neurology, University of California, San Francisco, California
8. Pediatrics and Emergency Medicine, George Washington University, Washington, District of Columbia