1 NIHR Imperial Patient Safety Translational Research Centre, Institute of Global Health Innovation, Department of Surgery and Cancer, Imperial College London, London, UK d.rodrigues@imperial.ac.uk.
2 Centre for Health Economics, University of York, York, UK.
3 North West London Clinical Commissioning Group, London, UK.
4 NIHR Imperial Patient Safety Translational Research Centre, Institute of Global Health Innovation, Department of Surgery and Cancer, Imperial College London, London, UK.
5 Centre for Mathematics of Precision Healthcare, Department of Mathematics, Imperial College London, London, UK.
6 Imperial College Healthcare NHS Trust, London, UK.