1 Duke University School of Medicine, Durham, NC, USA.
2 Division of Neurology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
3 Departments of Neurology and Pediatrics, UCSF Benioff Children's Hospitals, University of California San Francisco, San Francisco, CA, USA.
4 Departments of Neurology and Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at University of Pennsylvania, Philadelphia, PA, USA.
5 Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA.
6 Division of Neurology, Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA.
7 Division of Neurology, Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA. monica.lemmon@duke.edu.
8 Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA. monica.lemmon@duke.edu.