1. School of Nursing and Public Health, Public Health Medicine Discipline, University of KwaZulu-Natal, Durban, South Africa
2. School Public Health, Wolaita Sodo University, Wolaita Sodo, Ethiopia
3. Health Economics and HIV and AIDS Research Division (HEARD), University of KwaZulu-Natal, Durban, South Africa
4. School Nursing, Saint Paul Millennium Medical College, MoH, Addis Ababa, Ethiopia
5. Dasman Diabetes Institute, Kuwait City, Kuwait