1. Department of NeurologyWashington University School of Medicine in Saint Louis St Louis Missouri USA 63110
2. Department of PediatricsWashington University School of Medicine in Saint Louis St Louis Missouri USA
3. Department of Pediatrics, Nationwide Children's HospitalOhio State University Columbus Ohio USA
4. Department of NeurologyNorthwestern University Feinberg School of Medicine Chicago Illinois USA
5. Department of PediatricsNemours Children's Hospital Orlando Florida USA
6. Department of Physical Medicine and RehabilitationUniversity of California, Davis Medical Center Sacramento California USA
7. Department of PediatricsUniversity of Texas Southwestern Medical Center Dallas Texas USA