1. Program Manager, ETRScotts ValleyCA
2. Doctoral Degree Candidate, Department of Public Health, Environments and SocietyLondon School of Hygiene and Tropical MedicineLondon
3. City Research Scientist, Division of EpidemiologyNew York City Department of Health and Mental HygieneNew York
4. Professor, Department of Medical StatisticsLondon School of Hygiene and Tropical MedicineLondon
5. Professor, Department of Public Health SociologyLondon School of Hygiene and Tropical MedicineLondon
6. Head, Department of Public Health, Environments and SocietyLondon School of Hygiene and Tropical MedicineLondon