1. Department of Obstetrics and GynecologyUniversity Hospital of HeraklionHeraklion Crete Greece
2. Embryo CareFetal Medicine CentreAthens Greece
3. Cattedra di Genetica MedicaUniversita di CagliariCagliari Italy
4. 1st Department of PathologyUniversity of Athens, Medical SchoolAthens Greece
5. Jena University Hospital, Institute of Human Genetics and AnthropologyJena Germany
6. Eurogenetica S.A., Laboratory of GeneticsAthens and Thessaloniki Greece