1. Department of Medical and Surgical Sciences for Children & Adults, Cranio-Maxillo-Facial Surgery, University of Modena and Reggio Emilia, Largo del Pozzo 71, 41124 Modena, Italy
2. The Vascular Birthmark Foundation, P.O. Box 106, Latham, NY 12110, USA
3. Unit of Dentistry and Maxillo-Facial Surgery, Surgery, Dentistry, Maternity and Infant Department, University of Verona, P.le L.A. Scuro 10, 37134 Verona, Italy
4. Cranio-Maxillo-Facial Surgery Unit, University Hospital of Modena, 41124 Modena, Italy
5. Laser and Skin Surgery Center of New York, New York, NY 10016, USA
6. Pediatric Dermatology and Cutaneous Laser Center, Johns Hopkins University, Baltimore, MD 21287, USA
7. Anesthesia and Intensive Care Unit, Department of General and Specialist Surgeries, University Hospital of Modena, 41124 Modena, Italy
8. Onco-Hematology Paediatric Unit, Department of Medical and Surgical Sciences for Mothers, Children and Adults, University Hospital of Modena, 41124 Modena, Italy
9. Section of Ear Nose and Throat (ENT), Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, 37124 Verona, Italy