1 UOSD Molecular Diagnosis of Rare Blood Diseases, Azienda Ospedaliera, Ospedali Riuniti Villa Sofia, Cervello, Palermo, Italy.
2 Unit of Fetal Medicine and Prenatal Diagnosis, Azienda Ospedaliera Ospedali Riuniti Villa Sofia, Cervello, Palermo, Italy.
3 Unit of Hematology for Rare Diseases of Blood and Blood-forming Organs, Laboratory for Molecular Diagnosis, and Rare Hematological Diseases, Azienda Ospedaliera, Ospedali Riuniti Villa Sofia, Cervello, Palermo, Italy.