1. Department of Medical Microbiology, University of Zimbabwe College of Health Sciences (UZ), Harare, Zimbabwe
2. Department of Laboratory Medicine, Children's and Women's Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
3. Department of Medical Microbiology, St. Olavs Hospital, University Hospital, Trondheim, Norway
4. Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
5. Department of Obstetrics and Gynaecology, St. Olavs Hospital, University Hospital, Trondheim, Norway
6. Department of Paediatrics, St. Olavs Hospital, University Hospital, Trondheim, Norway
7. Life and Consumer Sciences, School of Agriculture and Life Sciences, University of South Africa (UNISA), Pretoria, South Africa