1. Clinical Genetics Unit, Obstetric and Paediatric Department; Istituto di Ricovero e Cura a Carattere Scientifico, Arcispedale S Maria Nuova; Reggio Emilia Italy
2. Department of Evolutive Age, Medical Genetics Unit; Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo; Foggia Italy
3. Department of Pathology; Istituto di Ricovero e Cura a Carattere Scientifico, Arcispedale S. Maria Nuova; Reggio Emilia Italy
4. Department of Medical Genetics, Policlinico Sant'Orsola-Malpighi; University of Bologna; Bologna Italy
5. Department of Orthodontics; University of Ferrara; Ferrara Italy
6. Department of Dermatology; Istituto di Ricovero e Cura a Carattere Scientifico, Arcispedale S. Maria Nuova; Reggio Emilia Italy
7. Division of Medical Genetics; Galliera Hospital; Genova Italy
8. Laboratory of Genetics; Istituto di Ricovero e Cura a Carattere Scientifico, Arcispedale S. Maria Nuova; Reggio Emilia Italy
9. Department of Pediatrics, Centre Hospitalier Universitaire Vaudois; University of Lausanne; Lausanne Switzerland