1. Department of Haematology, Nîmes University Hospital, University of Montpellier, Nîmes, France
2. Department of Obstetrics and Gynaecology, Nîmes University Hospital, Nîmes, France
3. Department of Haematology, University Hospital, Hospices Civils de Lyon, Bron, France
4. UMR1179, University of Versailles St-Quentin, Ambroise Paré Hospital, Assistance Publique-Hôpitaux de Paris, Boulogne, France