1. Professor of Public Health Medicine, Department of Public Health Sciences, Guy's, King's and St Thomas' School Medicine
2. Research Associate, Department of Public Health Sciences, Guy's, King's and St Thomas' School Medicine
3. Lecturer in Medical Statistics, Department of Public Health Sciences, Guy's, King's and St Thomas' School Medicine
4. Professor of Epidemiological and Liaison Psychiatry, Academic Department of Psychological Medicine, Institute of Psychiatry