1Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC 20010, USA
2Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC 20052, USA
3Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC 20052, USA
4Division of Pediatric Infectious Diseases, Children’s National Hospital, Washington, DC 20010, USA