1. Medical Research Council (MRC) Unit, Banjul, The Gambia
2. Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
3. Department of Medicine, Imperial College London, London, UK
4. American International University, West Africa, Banjul, The Gambia
5. Department of Palliative Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
6. The Gambia Hepatitis Intervention Study, IARC, c/o MRC Unit, Banjul, The Gambia
7. Edward Francis Small Teaching Hospital, Banjul, The Gambia
8. Hands on Care, Brikama Health Centre, Brikama, The Gambia