1. Department of Biomedical and NeuroMotor Sciences (DiBiNeM); Unit of Dental Care for Special Needs Patients and Paediatric Dentistry, University of Bologna; Bologna Italy
2. Department of Medical and Surgical Sciences (DIMEC); Neonatology Unit, St. Orsola-Malpighi Polyclinic, University of Bologna; Bologna Italy
3. Division of Human Genetics; The Children's Hospital of Philadelphia; Philadelphia Pennsylvania