1. Division of Neurology Children's Hospital of Philadelphia Philadelphia PA USA
2. Departments of Neurology & Pediatrics Perelman School of Medicine at the University of Pennsylvania Philadelphia PA USA
3. Department of Neurology Medstar Georgetown University Hospital Washington DC USA
4. Abington Neurological Associates, Ltd. Abington PA USA
5. Department of Neurology Thomas Jefferson University Philadelphia PA USA
6. Departments of Neurology and Population Health NYU Langone Health New York NY USA
7. Department of Neurology Mayo Clinic Phoenix AZ USA
8. Department of Neurological Sciences Larner College of Medicine University of Vermont Burlington VA USA