1. Neonatal Intensive Care Unit, Department of Women’s and Children’s Health, University Hospital Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy
2. Rett Syndrome Trial Center, University Hospital Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy
3. Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
4. UOC Neurologia e Malattie Neurometaboliche, Azienda Ospedaliero Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy
5. IRCCS Stella Maris Foundation, Molecular Medicine for Neurodegenerative and Neuromuscular Diseases Unit, 56018 Pisa, Italy
6. Child Neuropsychiatry Unit, Department of Mental Health, University Hospital Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy
7. Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy
8. Pediatric Unit, Department of Women’s and Children’s Health, University Hospital Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy
9. Medical Genetics, University of Siena, 53100 Siena, Italy
10. Med Biotech Hub and Competence Center, Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
11. Genetica Medica, Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy
12. Maternal Infantile and Urological Sciences Department, Sapienza University of Rome, 00185 Rome, Italy
13. Child Neurology and Psychiatry Unit, Department of Neurosciences and Mental Health, Azienda Ospedaliero-Universitaria Policlinico Umberto I, 00161 Rome, Italy