1. Cambridge Judge Business School, University of Cambridge, Cambridge CB2 1AG, United Kingdom;
2. School of Management, University College London, London E14 5AA, United Kingdom;
3. National Health Service England, Cambridge CB21 5XB, United Kingdom;
4. Faculty of Economics, Universitá della Svizzera Italiana, 6900 Lugano, Switzerland;
5. Public Health England, Cambridge CB21 5XA, United Kingdom