1. Ann and Robert H. Lurie Children's Hospital of Chicago Northwestern University Feinberg School of Medicine Chicago Illinois USA
2. St George's University Hospitals National Health Service Foundation Trust St George's University of London London UK
3. Comprehensive Epilepsy Center NYU Langone Health New York New York USA
4. Children's Hospital Colorado Aurora Colorado USA
5. Nicklaus Children's Hospital Miami Florida USA
6. Oregon Health and Science University Portland Oregon USA
7. University of Navarra Clinic Pamplona Spain
8. GW Research Cambridge UK
9. Greenwich Biosciences Carlsbad California USA