University of Birmingham - PIONEER Health Data Research Hub for Acute Care, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospitals NHS Foundation Trust - NIHR Clinical Research Facility Birmingham, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, University Hospitals Birmingham NHS Foundation Trust - Department of Health Informatics, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, Department of Health Informatics, University Hospitals Birmingham NHS Foundation Trust, University of Birmingham - Institute of Applied Health Research, The Medical School, College of Medicine and Dentistry, University of Birmingham Medical School, The Medical School, College of Medicine and Dentistry, University of Birmingham Medical School, The Medical School, College of Medicine and Dentistry, University of Birmingham Medical School, Department of Cardiothoracic surgery, University Hospitals Birmingham NHS Foundation Trust, Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Government of the United Kingdom - NIHR Biomedical Research Centre for Ophthalmology and Queen Elizabeth Hospitals NHS Foundation Trust - HDR-UK Midlands Site and Better Care Programme