1. Medical Genetics, Department of Medicine and Surgery University of Parma Parma Italy
2. University Hospital of Parma Parma Italy
3. Plastic Surgery, University Hospital of Parma Parma Italy
4. Medical Genetics Unit, Azienda USL‐IRCCS Reggio Emilia Italy
5. Division of Clinical Pathology University of Modena and Reggio Emilia Modena Italy
6. Medical Genetics and Skeletal Rare Diseases, Istituto Ortopedico Rizzoli Bologna Italy
7. Medical Genetics, S. Orsola‐Malpighi University Hospital Bologna Italy
8. Medical Genetics, Ferrara University Hospital Ferrara Italy
9. Medical Genetics, Maurizio Bufalini Hospital Cesena Italy
10. Pediatrics, University Hospital of Modena Italy
11. Medical Genetics, Santa Chiara Hospital Trento Italy
12. Medical Genetics, Città della Salute e della Scienza University Hospital Torino Italy
13. Department of Public Health and Pediatric Sciences University of Torino Torino Italy
14. Statistics, Department of Medicine and Surgery University of Parma Parma Italy
15. Children's Neuropsycological Services, Department of Medicine and Surgery University of Parma Parma Italy