1. College of Health Sciences, Nelson R Mandela School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
2. Department of Otorhinolaryngology, Head and Neck Surgery, Ndola Teaching Hospital, Ndola, Zambia
3. Global Health Institute, Nkwazi Research University, Lusaka, Zambia
4. Bill and Joyce Cummings Institute of Global Health, University of Global Health Equity, Kigali, Rwanda
5. Howard College Campus, College of Health Sciences, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa