1. Laboratory of Medical Genetics; I.R.C.C.S. Associazione Oasi Maria Santissima; Troina Italy
2. Unit of Neurology; I.R.C.C.S. Associazione Oasi Maria Santissima; Troina Italy
3. Unit of Pediatrics and Medical Genetics; I.R.C.C.S. Associazione Oasi Maria Santissima; Troina Italy
4. Unit of Psychology; I.R.C.C.S. Associazione Oasi Maria Santissima; Troina Italy
5. Unit of Neuromuscular Disease; I.R.C.C.S. Associazione Oasi Maria Santissima; Troina Italy
6. Unit of Medical Genetics; ARNAS Garibaldi; Catania Italy
7. Medical Genetics; University of Catania; Catania Italy