1. Department of Obstetrics and Gynaecology, Toulouse University Hospital, Toulouse, France.
2. Department of Pathways to Systemic Health-P2S-EA 4129, University Claude Bernard Lyon I, Lyon, France.
3. Department of Neonatolgy and Neonatal Intensive Care, Lyon University Hospital, Lyon, France.
4. Department of Medical Information, Toulouse University Hospital, Toulouse, France.
5. Research Unit 1027, UMR 1027, INSERM, University of Toulouse III, Toulouse, France.