1. Maternity and Infant Department, Unit of Dentistry and Maxillo-Facial Surgery, University of Verona, Italy
2. Cranio-Maxillo-Facial Surgery Unit, University Hospital of Modena, Italy
3. The Vascular Birthmark Foundation, Latham, NY, USA
4. Section of Ear Nose and Throat (ENT), Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Italy
5. Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Cranio-maxillo-facial Surgery, Modena, Italy