1. Department of Obstetrics, Limoges University Hospital, Limoges, France
2. Department of Internal Medicine, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
3. Department of Internal Medicine, Poitiers University Hospital, Poitiers, France
4. Department of Obstetrics, Poitiers University Hospital, Poitiers, France
5. Department of Obstetrics, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
6. Department of Internal Medicine, Limoges University Hospital, Limoges, France