1. Department of Medical Sciences; University of Trieste; Trieste Italy
2. Genetic Counseling Service, Department of Pediatrics; Regional Hospital of Bolzano; Bolzano Italy
3. Institute for Maternal and Child Health - IRCCS Burlo Garofolo; Trieste Italy
4. Clinical and Experimental Hematology Unit; G. Gaslini Children's Hospital; Genoa Italy
5. Human Genetics Laboratory “E.O. Ospedali Galliera”; Genoa Italy