1. University of Cincinnati Medical Center Cincinnati OH USA
2. Neurocenter Barcelona Teknon Medical Center Barcelona Spain
3. Wake Forest Baptist Medical Center Winston‐Salem NC USA
4. University College London National Institute for Health Research Biomedical Research Center Great Ormond Street Institute of Child Health London UK
5. Mayo Clinic Rochester MN USA
6. Children's Hospital of Philadelphia Philadelphia PA USA
7. Medical University of Gdańsk Gdańsk Poland
8. University and Polytechnic Hospital La Fe Valencia Spain
9. GW Research Ltd. Cambridge UK
10. Greenwich Biosciences, Inc. Carlsbad CA USA