1. San Raffaele Telethon Institute for Gene Therapy (SR‐TIGET) IRCCS San Raffaele Scientific Institute Milan Italy
2. Pediatric Immunohematology Unit and BMT Program IRCCS San Raffaele Scientific Institute Milan Italy
3. Department of Neurology IRCCS San Raffaele Scientific Institute Milan Italy
4. Vita‐Salute San Raffaele University Milan Italy
5. University Centre of Statistics in the Biomedical Sciences Vita‐Salute San Raffaele University Milan Italy
6. Neuroradiology Unit IRCCS San Raffaele Scientific Institute Milan Italy
7. Department of Specialistic Neurological Rehabilitation IRCCS Multimedica Sesto San Giovanni Italy
8. Clinical Molecular Biology Laboratory IRCCS San Raffaele Scientific Institute Milan Italy
9. Department of Clinical‐Surgical, Diagnostic and Pediatric Sciences University of Pavia Pavia Italy
10. AGC Biologics S.p.a Bresso (MI) Italy
11. Division of Pediatric Hematology, Oncology and Stem Cell Transplant, Department of Women and Child Health University of Padova Padova Italy
12. Department of Neurology ASST Papa Giovanni XXIII Bergamo Italy