1. Division of Genomic Diagnostics, Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
2. Division of Neurology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
3. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
4. Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
5. now with Department of Genomics, Al Jalila Children’s Specialty Hospital, Dubai, United Arab Emirates