1. St Bartholomew’s Hospital, Barts Health NHS Trust , West Smithfield, London EC1A 7DN , UK
2. William Harvey Research Institute, Queen Mary University of London , Charterhouse Square, London , UK
3. Barts and the London Medical School, Queen Mary University of London , Charterhouse Square, London , UK
4. Knowledge and Library Services, St Bartholomew’s Hospital, Barts Health NHS Trust , West Smithfield, London , UK
5. Critical Care, St Bartholomew’s Hospital, Barts Health NHS Trust , West Smithfield, London , UK
6. School of Health Sciences, City, University of London, Northampton Square , London , UK