1. Public Health Department, Doncaster Council, Civic Office, Waterdale, Doncaster, UK
2. Public Health Department, Wakefield Council, Wakefield One, Burton Street, Wakefield, UK
3. Department of Management, London School of Economics & Political Science, Houghton Street, London, UK
4. Nuffield Department of Primary Care Health Sciences, Radcliffe Primary Care Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford, UK