1 Division of Fetal and Transitional Medicine, Children's National Health System, Washington, DC; Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC; Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC. Electronic address: sbmulkey@childrensnational.org.
2 Division of Radiology, Children's National Health System, Washington, DC.
3 Division of Fetal and Transitional Medicine, Children's National Health System, Washington, DC; Division of Radiology, Children's National Health System, Washington, DC.
4 Division of Neurology, Children's National Health System, Washington, DC.
5 Division of Fetal and Transitional Medicine, Children's National Health System, Washington, DC.
6 Division of Fetal and Transitional Medicine, Children's National Health System, Washington, DC; Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC; Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC.
7 Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC; Division of Infectious Diseases, Children's National Health System, Washington, DC; Department of Microbiology, Immunology and Tropical Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC.