1. Child Neurology and Psychiatry Unit; C. Mondino National Neurological Institute; Pavia Italy
2. Don C. Gnocchi Foundation; IRCCS; Milan Italy
3. Child Neurology Unit; ‘Vittore Buzzi’ Children's Hospital; ICP; Milan Italy
4. Child Neurology and Psychiatry Unit; Department of Mother and Child; Children's Hospital Spedali Civili; University of Brescia; Brescia Italy
5. Paediatric Neurology Unit; Catholic University; Rome Italy
6. Department of Developmental Neuroscience; Stella Maris Scientific Institute; Pisa Italy
7. Department of Public Health; Experimental and Forensic Medicine; Unit of Biostatistics and Clinical Epidemiology; University of Pavia; Pavia Italy
8. Child Neurology and Psychiatry Unit; Department of Brain and Behavioural Sciences; University of Pavia; Pavia Italy