1. Medical Genetics Unit Santa Maria della Misericordia Hospital and University of Perugia Perugia Italy
2. Genetics Unit "Mauro Baschirotto" Institute for Rare Diseases (B.I.R.D.) Vicenza Italy
3. Medical Genetics Unit "San Pio" Hospital Benevento Italy
4. Cytogenetics Unit Policlinico Riuniti, University Hospitals Foggia Foggia Italy
5. Laboratory of Medical Genetics, Medical Genetics Bambino Gesù Children's Hospital, IRCCS Rome Italy
6. Department of Woman and Child Health and Public Health Center for Rare Diseases and Birth Defects, Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
7. U.O.S.C. Medical Genetics, A.O.R.N. "A. Cardarelli" Naples Italy
8. Medical Genetics Laboratory "Policlinico Tor Vergata" Hospital Rome Italy
9. Division of Neonatology and Neonatal Intensive Care Unit Santa Maria della Misericordia Hospital of Perugia Perugia Italy
10. Medical Genetics Unit Policlinico S. Orsola‐Malpighi, University of Bologna Bologna Italy