1. Department of Obstetrics and Gynaecology; Nimes University Hospital; Nîmes France
2. Department of Biostatistics, Epidemiology, Public Health and Bio-informatics; Nîmes University Hospital; Nîmes France
3. Department of Microbiology; Nîmes University Hospital; Nîmes France
4. National Institute of Health and Medical Research; U1047; University of Montpellier; Nîmes France