1 Duke University Health System, Division of Pediatric Neurology, T0913 Children's Health Center, DUMC Box 3936, Durham, NC 27710, USA. Electronic address: linh.tran@duke.edu.
2 Division of Pediatric Neurology, Duke University, 2301 Erwin Rd, Durham, NC 27710, USA. Electronic address: mohamad.mikati@duke.edu.