1. Institute of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
2. Department of Surgery, St Olav's Hospital, Trondheim University Hospital, Trondheim, Norway
3. CapaCare, Masanga Hospital, Tonkolili District, Sierra Leone
4. Ministry of Health and Sanitation, Freetown, Sierra Leone
5. College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown, Sierra Leone
6. Port Loko Governmental Hospital, Port Loko, Sierra Leone
7. Department of Clinical Sciences Lund, Lund University, Skane University Hospital, WHO Collaborating Centre for Surgery and Public Health, Lund, Sweden
8. Kamakwie Wesleyan Hospital, Kamakwie, Sierra Leone
9. Department of Obstetrics and Gynaecology, Princess Christian Maternity Hospital, University Teaching Hospitals Complex, University of Sierra Leone, Freetown, Sierra Leone
10. King's Centre for Global Health and Health Partnerships, King's College London, London, UK
11. United Nations Population Fund, Freetown, Sierra Leone
12. Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway