1. Department of Clinical Sciences; Liverpool School of Tropical Medicine; Liverpool UK
2. King's Healthcare Partners; London UK
3. Leeds Institute of Cardiovascular and Metabolic Medicine; University of Leeds; Leeds UK
4. Division of Infection and Immunity; University College London; London UK
5. Imperial College London NHS Trust; London UK
6. Extraordinary Professor in Epidemiology and Biostatistics; Stellenbosch University; Stellenbosch South Africa