Affiliation: | 1. Medical Genetics Unit, Policlinico S. Orsola‐Malpighi, University of Bologna, Bologna, Italy;2. IRCCS‐Casa Sollievo della Sofferenza, Mendel Institute, Rome, Italy;3. Department of Pediatrics, University of Messina, Messina, Italy;4. Medical Genetics Unit, Ferrara University Hospital, Ferrara, Italy;5. Medical Genetics Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy;6. Child Neurology Unit, University of Bologna, Bologna, Italy;7. Correspondence to:;8. Claudio Graziano, U.O. Genetica Medica, Policlinico S. Orsola‐Malpighi. Via Massarenti 9, 40138 Bologna, Italy. E‐mail: |