1 Brighton and Sussex Medical School, University of Brighton and University of Sussex, United Kingdom. Electronic address: S.Wheelwright@sussex.ac.uk.
2 Brighton and Sussex Medical School, University of Brighton and University of Sussex, United Kingdom; University Hospitals Sussex NHS Foundation Trust, United Kingdom.
3 University of Leeds, United Kingdom.
4 Christie NHS Foundation Trust, United Kingdom; University of Manchester, United Kingdom.
5 Brighton and Sussex Medical School, University of Brighton and University of Sussex, United Kingdom.
6 Nottingham University Hospitals NHS Trust, United Kingdom.
7 Christie NHS Foundation Trust, United Kingdom.
8 My Clinical Outcomes Ltd, United Kingdom.
9 University of Manchester, United Kingdom; The Hong Kong Polytechnic, Hong Kong.