[1
]GRID grid.451052.7, ISNI 0000 0004 0581 2008, London’s Air Ambulance, Royal London Hospital, , Barts NHS Health Trust, ; Whitechapel Rd, Whitechapel, London, E1 1FR England, UK
[2
]GRID grid.452607.2, ISNI 0000 0004 0580 0891, Intensive Care Department, Ministry of National Guard Health Affairs, King Saud Bin
Abdulaziz University for Health Sciences, , King Abdullah International Medical Research Center, ; Riyadh, Kingdom of Saudi Arabia
[3
]Department of Medicine and Department of Health Research Methods, Evidence and Impact,
Master University, Ontario, Canada
[4
]GRID grid.34477.33, ISNI 0000000122986657, Department of Pulmonary and Critical Care Medicine, , University of Washington, ; Seattle, USA
[5
]GRID grid.7563.7, ISNI 0000 0001 2174 1754, Università degli Studi di Milano - Bicocca, ; Milan, Italy
[6
]GRID grid.239585.0, ISNI 0000 0001 2285 2675, Columbia University Medical Center, ; New York, USA
[7
]GRID grid.472984.4, Instituto D’Or de Pesquisa e Ensino, ; Rio de Janeiro, Brazil
[8
]GRID grid.410569.f, ISNI 0000 0004 0626 3338, UZ Leuven, ; Louvain, Belgium
[9
]GRID grid.43519.3a, ISNI 0000 0001 2193 6666, Department of Internal Medicine, College of Medicine and Health Sciences, , United Arab Emirates University, ; Abu Dhabi, UAE
[10
]GRID grid.50550.35, ISNI 0000 0001 2175 4109, Assistance publique - Hôpitaux de Paris, ; Paris, France
[11
]GRID grid.168010.e, ISNI 0000000419368956, Anaesthesia and Informatics Lab, , Stanford University, ; Stanford, USA
[12
]GRID grid.17063.33, ISNI 0000 0001 2157 2938, Sinai Health System, , University of Toronto, ; Toronto, Canada
[13
]GRID grid.21729.3f, ISNI 0000000419368729, New York-Presbyterian Hospital, , Columbia University Irving Medical Center, ; New York, USA
[14
]GRID grid.189967.8, ISNI 0000 0001 0941 6502, Emory University, ; Georgia, USA
[15
]GRID grid.4708.b, ISNI 0000 0004 1757 2822, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, , Università degli Studi di Milano, ; Milan, Italy
[16
]GRID grid.451052.7, ISNI 0000 0004 0581 2008, St Georges Hospitals NHS Foundation Trust, ; London, UK
[17
]GRID grid.475435.4, Department of Intensive Care, , Copenhagen University Hospital Rigshospitalet, ; Copenhagen, Denmark
[18
]GRID grid.429696.6, ISNI 0000 0000 9827 4675, Nebraska Medicine, ; Omaha, NE USA
[19
]GRID grid.266813.8, ISNI 0000 0001 0666 4105, Department of Environmental and Occupational Health, , University of Nebraska Medical Center, ; Omaha, NE USA
[20
]GRID grid.413106.1, ISNI 0000 0000 9889 6335, Peking Union Medical College Hospital, ; Beijing, China
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