1 Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
2 Department of Anesthesia & Pain Medicine, Nationwide Children's Hospital, Columbus, OH, USA.
3 Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. Electronic address: jeffrey.tenney@cchmc.org.