1 Department of Pathology, College of Medicine, University of Illinois Hospital & Health Sciences System, Chicago, Illinois.
2 Department of Pediatrics, College of Medicine, University of Illinois Hospital & Health Sciences System, Chicago, Illinois.
3 Department of Neurology, College of Medicine, University of Illinois Hospital & Health Sciences System, Chicago, Illinois.
4 Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, University of Illinois Hospital & Health Sciences System, Chicago, Illinois.