Institution: | *Department of Obstetrics and Gynecology, Central Hospital Maputo, Mozambique
**Department of Microbiology, Faculty of Medicine, Eduardo Mondlane University Maputo, Mozambique
***Department of Obstetrics and Gynecology, Akademiska Hospital S-751 85 Uppsala, Sweden
Department of Obstetrics and Gynaecology, Ulleavål University Hospital N-0407 Oslo, Norway |