Affiliation: | 1. Division of Family Medicine and Primary Care, Stellenbosch University, , Cape Town, South Africa;2. Department of Health Policy, Management and Evaluation, University of Toronto, , Toronto, ON, Canada;3. Department of Primary Care and Public Health, University of Cardiff, , Cardiff, UK;4. Department of Biostatistics Medical Research Council, , Cape Town, South Africa;5. Chronic Disease Initiative for Africa, University of Cape Town, , Cape Town, South Africa;6. Department of Diabetic Medicine and Endocrinology, University of Cape Town, , Cape Town, South Africa |