1. Department of Medical Genetics; Medical School, National and Kapodistrian University of Athens; Greece
2. Department of Pathology; Medical School, National and Kapodistrian University of Athens; Greece
3. Research Institute for the Study of Genetic and Malignant Diseases in Childhood, “Aghia Sophia” Childrens Hospital; Athens Greece
4. Department of Perinatal Pathology; IASO Maternity Hospital; Athens Greece