1. Centre for Health Management, Tanaka Business School, Imperial College London, South Kensington Campus, London, UK
2. The Business School, Hertfordshire University, De Havilland Campus, Hatfield, UK
3. Centre for Infectious Diseases, Institute for Cell and Molecular Sciences, Barts and the London School of Medicine, London, UK
4. Department of Public Health and Policy, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK