1. Department of Child and Adolescent Psychiatry Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
2. Centre for Interventional Paediatric Psychopharmacology and Rare Diseases South London and Maudsley NHS Foundation Trust London UK
3. Centre for Personalised Medicine in Rett Syndrome, Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
4. Child and Adolescent Neuropsychiatry Unit Infermi Hospital Rimini Italy
5. Department of Paediatric Neurology Fondazione IRCCS Istituto Neurologico “Carlo Besta” Milan Italy