1. Department of Medicine, Chronic Diseases Initiative for Africa (CDIA) University of Cape Town Cape Town South Africa
2. Department of Public Health Vrije Universiteit Brussel Brussel Belgium
3. Computing, Faculty of Technology University of Portsmouth Portsmouth UK
4. Faculty of Medicine, School of Primary Care, Population Sciences and Medical Education University of Southampton Southampton UK
5. Department of Social Statistics and Demography, Faculty of Social Sciences University of Southampton Southampton UK
6. Africa Health Research Institute KwaZulu‐Natal South Africa