1. Molecular and Cell Biology Laboratory; Paediatric Neurology Unit and Laboratories; Neuroscience Department; A. Meyer Children's Hospital; Florence Italy
2. Department of Neurosciences; Psychology; Pharmacology and Child Health; University of Florence; Italy
3. Rare Metabolic Diseases Unit; Department of Pediatrics; Fondazione MBBM; San Gerardo Hospital; Monza Italy
4. Metabolic Disorders Unit; Neuroscience Department; A. Meyer Children's Hospital; Firenze Italy
5. Department of Pediatrics, Salesi Children Hospital; Ancona Italy
6. Department of Pediatrics; Regional Referral Centre for Inborn Errors Metabolism; University Hospital “Policlinico-Vittorio Emanuele”; Catania Italy
7. Clinical Genetics Unit; S. Maria Nuova Hospital Reggio; Emilia Italy
8. U.O. Pediatria II; Istituto G. Gaslini; Genoa Italy
9. Laboratorio Diagnosi Pre-Postnatale Malattie Metaboliche Genoa; Istituto G. Gaslini; Genoa Italy
10. Department of Pediatric Sciences; Catholic University; Rome Italy
11. Department of Pediatrics; University Children's Hospital; Padova Italy
12. Buck Institute for Research on Aging; Bioinformatics; Novato California
13. Department of Pediatrics; Choremio Research Laboratory; Laboratory of Metabolic Diseases; Athens University; Medical School; Athens Greece
14. Genetic Center, AO Garibaldi-Nesima; Catania Italy
15. Department of Pediatrics; University "Magna Graecia"; Catanzaro Italy
16. Cytogenetics Laboratory and Medical Genetics Unit; SSD, SMEL; Ospedale di Circolo and Macchi Foundation; Varese Italy
17. William Harvey Research Institute; Centre for Endocrinology; Queen Mary's School of Medicine and Dentistry; Barts and The London London UK
18. Department of Life and Reproduction Sciences; Pediatric Clinic; University of Verona; Verona Italy
19. Medical Genetics Unit; Pediatric Hospital A. Meyer; Florence Italy