1. Malawi Epidemiology and Intervention Research Unit, Lilongwe, Malawi
2. School of Social and Political Sciences, School of Health and Wellbeing, University of Glasgow, Glasgow, UK
3. Centre for Biomedicine, Self and Society, Usher Institute, University of Edinburgh, Edinburgh, UK
4. Division of Psychiatry, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK
5. School of Global and Public Health, Kamuzu University of Health Sciences
6. School of Health and Wellbeing, University of Glasgow, Glasgow, UK
7. Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
8. Malawi Epidemiology and Intervention Research Unit, Karonga, Malawi
9. Centre for Cardiovascular Science, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, UK