1. Division of Neurology Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
2. Department of Molecular and Translational Medicine University of Brescia Brescia Italy
3. Rare Disease Institute, Division of Genetics and Metabolism Children's National Hospital Washington District of Columbia USA
4. Department of Pediatrics Children's National Hospital Washington District of Columbia USA
5. Department of Neurology Children's National Hospital Washington District of Columbia USA
6. Division of Radiology Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
7. Divisions of Hematology and Oncology Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
8. Divisions of Hematology and Oncology University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
9. Department of Pathology and Neurology University of Maryland School of Medicine Baltimore Maryland USA
10. Department of Neurology, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
11. Department of Pathology and Lab Medicine at Children's Hospital of Philadelphia Philadelphia Pennsylvania USA