1. Division of Neurology, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
2. Neurology, Mission Children’s Specialists, Asheville, NC, USA
3. Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
4. Dermatology, University of Pennsylvania Perelman School of Medicine and Children’s Hospital of Philadelphia, Philadelphia, PA, USA
5. Department of Pathology, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
6. Division of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA