1. Stellenbosch University, Stellenbosch, South Africa
2. Human Sciences Research Council, South Africa
3. University of Cape Town, Cape Town, South Africa
4. School of Public Health, University of the Western Cape, Cape Town, South Africa
5. Centre for Evidence-Based Interventions, Department of Social Policy and Intervention, University of Oxford, Oxford, UK
6. University of Amsterdam, Netherlands
7. Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, Cicely Saunders Institute, King’s College London, London, UK
8. Aix Marseille Univ, INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, Marseille, France
9. Central and North West London NHS Foundation Trust, London, UK
10. Consultant Clinical Psychologist, UK
11. Institute for Global Health, University College London, UK