1. Clinical Genetics Unit Fondazione IRCCS Ca’ Granda Ospedale Policlinico di Milano Milan Italy
2. Fetal Medicine and Surgery Service Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico Milan Italy
3. Laboratory of Medical Genetics Bambino Gesù Children's Hospital IRCCS Rome Italy
4. Division of Pathology Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico Milan Italy
5. Laboratory of Medical Genetics ASST Papa Giovanni XXIII Bergamo Italy
6. Laboratory of Medical Genetics Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy