National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London, Imperial College London - National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London - NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London - Imperial College Healthcare NHS Trust, Imperial College London - Imperial College Healthcare NHS Trust, Amrita Institute of Medical Science - Department of Infection Control and Epidemiology, The Robert Koch Institute, Imperial College London - Health Protection Research Unit in Healthcare Associated infections and Antimicrobial Resistance, Mahidol University - Division of Infectious Diseases and Tropical Medicine, King Abdulaziz Medical City - Infection Prevention & Control Department, Imperial College London - National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Healthcare Associated Infections and Antimicrobial Resistance, Stellenbosch University, Faculty of Medicine and Health Sciences, DST/NRF Centre of Excellence for Biomedical Tuberculosis Research, Division of Molecular Biology and Human Genetics, SAMRC Centre, Imperial College London - Imperial NIHR Patient Safety Translational Research Centre and Imperial College London - Section of Adult Infectious Disease