1. Division of Epidemiology and Public Health, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland
2. Nottingham University Business School, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland
3. Ringgold Standard Institution, School of Health and Social Care, Nottingham Trent University, Nottingham, United Kingdom of Great Britain and Northern Ireland
4. School of Medicine Ringgold Standard Institution, Epidemiology and Public Health, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland