1. Department of Medical Genetics; CHU Toulouse, Purpan Hospital; 31059 Toulouse France
2. EA-4555; Toulouse III Paul-Sabatier University; 31000 Toulouse France
3. Wessex Regional Genetics Service; Princess Anne Hospital; Southampton Hampshire SO16 5YA UK
4. School of Life Sciences; Oxford Brookes University; Oxford OX3 0BP UK
5. Kariminejad Najmabadi Pathology and Genetic Center; Tehran 14667 Iran
6. Department of Fetal Pathology; Antoine Beclere Hospital; 92141 Clamart France