1. Dermatology Unit Bambino Gesù Children's Hospital IRCCS Piazza Sant'Onofrio, 4 00165 Rome Italy
2. Laboratory of Medical Genetics Bambino Gesù Children's Hospital IRCCS Rome Italy
3. Plastic and Maxillofacial Surgery Unit Children's Hospital Bambino Gesù Rome Italy
4. Division of Medical Genetics IRCCS‐Casa Sollievo della Sofferenza S. Giovanni Rotondo Foggia Italy