affiliation not provided to SSRN, affiliation not provided to SSRN, Independent, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Amrita Institute of Medical Science - Division of Infectious Disease and Amrita Institute of Medical Sciences

National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London, Amrita Institute of Medical Science - Department of Infection Control and Epidemiology, University of Cape Town (UCT), University of Cape Town (UCT) - Division of Infectious Diseases & HIV Medicine, Division of Infectious Diseases & HIV Medicine, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Division of Infectious Diseases & HIV Medicine, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Independent, Imperial College London - Health Protection Research Unit in Healthcare Associated infections and Antimicrobial Resistance, Imperial College London - Centre for Health Economics and Policy Innovation, Imperial College London - Section of Adult Infectious Disease and City St George's, University of London