[1
]
Department of Neurology, University of Pittsburgh, S520 Biomedical Science Tower,
200 Lothrop Street, Pittsburgh, Pennsylvania, 15213, USA.
[2
]
Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
[3
]
Department of Pediatrics, Medical University of South Carolina, Charleston, South
Carolina, USA.
[4
]
Department of Internal Medicine, School of Medicine, Wake Forest University, Winston-Salem,
North Carolina, USA.
[5
]
Neurology Service, Department of Veterans Affairs Medical Center, Pittsburgh, Pennsylvania,
USA.