1. Unit of Neurology; IRCCS Institute of Neurological Sciences of Bologna; Bellaria Hospital; Bologna Italy
2. Department of Biology; University of Padua; Padova Italy
3. Muscular and Neurodegenerative Disease Unit; Institute “G. Gaslini”; University of Genova; Genova Italy
4. Department of Neurological Sciences; University of Rome “Sapienza”; Roma Italy
5. Department of Neurology and Psychiatry; Sapienza University; Umberto 1° Hospital; Roma Italy
6. Neurological Clinic; Bellaria Hospital IRCCS Institute of Neurological Sciences of Bologna and Department of Biomedical and Neuromotor Sciences; University of Bologna; Bologna Italy
7. Department of Neurological Sciences; Federico II University; Napoli Italy
8. Department of Neurosciences; University of Catania; Catania Italy
9. Institute of Neurology; University “Magna Graecia”; Catanzaro Italy
10. Oasi Institute for Research on Mental Retardation and Brain Aging (IRCCS); Troina Italy
11. Division of Neurology New; Loreto Hospital; Napoli Italy
12. Neurology Clinic; University of Bari; Bari Italy
13. Unit of Neurology; Circolo Hospital; Varese Italy
14. Child and Adolescent Neuropsychiatry; Medical School; University of Salerno; Salerno Italy
15. C. Besta Foundation Neurological Institute; Milano Italy
16. Department of Pediatrics; Clinical Neurophysiology; Padova Italy
17. A. Meyer Children's Hospital - University of Florence, Pediatric Neurology; Firenze Italy
18. Division of Neurology; “C. Poma” Hospital; Mantova Italy
19. Section of Padua; CNR-Institute of Neurosciences; Padova Italy
20. Porto Conte Researches; Alghero Italy