1. Institute of Health Informatics (M.K., A.G.L., A.H., S.D., A.B., H.H., R.T.L.), University College London, United Kingdom.
2. Health Data Research UK London (M.K., A.G.L., A.H., S.D., A.B., H.H., R.T.L.), University College London, United Kingdom.
3. Institute of Epidemiology & Health Care (M.G.), University College London, United Kingdom.
4. The National Institute for Health Research University College London Hospitals Biomedical Research Centre (S.D., H.H., R.T.L), University College London, United Kingdom.
5. British Heart Foundation Research Accelerator (S.D.), University College London, United Kingdom.
6. The Alan Turing Institute, London, United Kingdom (S.D.).
7. Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Greece (P.L.).
8. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.L.).
9. Office for National Statistics, Newport, United Kingdom (V.N., B.H.).
10. Amrita Institute of Medical Sciences, Kochi, India (A.B.).
11. Bart’s Heart Centre, St. Bartholomew’s Hospital, London, United Kingdom (R.T.L.).