1. Immunomodulation and Vaccines Programme MRC/UVRI and LSHTM Uganda Research Unit Entebbe Uganda
2. MRC International Statistics and Epidemiology Group, Department of Infectious Disease Epidemiology London School of Hygiene and Tropical Medicine London UK
3. Department of Infection Biology London School of Hygiene and Tropical Medicine London UK
4. Department of Clinical Research London School of Hygiene and Tropical Medicine London UK