1. Department of Health Promotion and Education, School of Public Health, University of Zambia, Lusaka, Zambia
2. Department of Health Behaviour, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Department of Obstetrics and Gynaecology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
4. Department of Obstetrics and Gynaecology, School of Medicine, University of Zambia, Lusaka, Zambia
5. UNC Global Projects – Zambia, Lusaka, Zambia
6. Department of Health Policy and Management, School of Public Health, University of Zambia, Lusaka, Zambia