1 NHS England, Innovation Team, London, UK; GKT School of Medical Education, King's College London, London, UK. Electronic address: faheem.ahmed@doctors.org.uk.
2 Barts and the London School of Medicine and Dentistry, London, UK. Electronic address: ibrahim.sheriff@bartshealth.nhs.uk.
3 Massachusetts General Hospital, Boston, MA, USA. Electronic address: mostafa.al-alusi@mgh.harvard.edu.
4 St George's Hospital, London, UK. Electronic address: Naeem.ahmed@selfless.org.uk.
5 King's College Hospital, London, UK. Electronic address: tj.lasoye@nhs.net.