Imperial College London, King’s College London, University College London - Patient-Led Research Collaborative, Otto von Guericke University Magdeburg - Institute of Social Medicine and Health Systems Research, Imperial College London, affiliation not provided to SSRN, World Health Organization (WHO) - Department of Country Readiness Strengthening, University of Liverpool, University of Liverpool, affiliation not provided to SSRN, University of Oxford - Nuffield Department of Medicine, affiliation not provided to SSRN, Cambridge University Hospitals - MRCP, World Health Organization (WHO) - Brain Health Unit, affiliation not provided to SSRN, Independent, Coventry University, affiliation not provided to SSRN, Johns Hopkins University - Outcomes After Critical Illness and Surgery (OACIS) Research Group, University of Liverpool and Independent

University of Liverpool, Independent, University of Liverpool, University Hospital Birmingham NHS Foundation Trust, University of Birmingham, VU University Amsterdam - Amsterdam Public Health Research Institute, University of Liverpool, Johns Hopkins University - Outcomes After Critical Illness and Surgery (OACIS) Research Group, Imperial College London, King’s College London and Independent