1 Department of Global Health, Centre of Global Surgery, Stellenbosch University, Francie Van Zijl Drive Tygerberg Hospital, Cape Town, 7505, South Africa.
2 School of Medicine and Centre for Global Development, School of Education, Aberdeen Centre for Health Data Science, University of Aberdeen, Aberdeen, Scotland.
3 School of Public Health, University of the Witwatersrand, Johannesburg, South Africa.
4 Institute of Global Surgery, Royal College of Surgeons in Ireland, Dublin, Ireland.
5 Department of Global Health, Centre of Global Surgery, Stellenbosch University, Francie Van Zijl Drive Tygerberg Hospital, Cape Town, 7505, South Africa. kchu@sun.ac.za.
6 Department of Surgery, University of Botswana, Plot 4775 Notwane Rd., Gaborone, Botswana. kchu@sun.ac.za.