1. Department of Pediatrics; University of Milan, Luigi Sacco Hospital; Milan Italy
2. Centre for Inherited Cutaneous Diseases, Pediatric Dermatology Unit, Department of Anesthesiologic and Dermatologic Sciences; IRCCS Ca' Granda Policlinico Hospital; Milan Italy
3. Department of Maxillo-Facial Surgery Orthodontic Unit; IRCCS Galeazzi; Milan Italy
4. Medical Genetics Unit; Meyer Children's University Hospital; Florence Italy
5. Medical Genetics Section, Department of Clinical Pathophysiology; University of Florence; Florence Italy
6. Department of Eye and Vision Science, Institute of Ageing and Chronic Disease; University of Liverpool; Liverpool UK
7. Institute for Maternal and Child Health; IRCCS “Burlo Garofolo”; Trieste Italy
8. Department of Otorhinolaryngology; University of Milan, Luigi Sacco Hospital; Milan Italy
9. Department of Ophthalmology; University of Milan, Luigi Sacco Hospital; Milan Italy