University of Greifswald - University Medicine Greifswald, - 4th Department of Internal Medicine, Hospital Universitari Vall d'Hebron of Barcelona, University of Greifswald - University Medicine Greifswald, Université de Versailles Saint-Quentin, Autonomous University of Barcelona - Department of Medecine, Hacettepe University, Nicolae Testemițanu State University of Medicine and Pharmacy, Bambino Gesù Children's Hospital, University of Groningen - University Medical Center Groningen, Nemocnica Bory - Penta Hospitals, University of Zagreb, University of Antwerp, Tanta University, University of Greifswald - University Medicine Greifswald, Sanjay Gandhi Post Graduate Institute of Medical Sciences, University of Helsinki - Helsinki University Central Hospital, Université de Tours, University of Southern Denmark, North-West State Medical University, University of Ostrava - University Hospital Ostrava, Medical University of Lublin, Grande Ospedale Metropolitano Niguarda, Guy's and St Thomas' NHS Foundation Trust, University of Basel - University Hospital Basel, Government of Portugal - Unidade Local de Saúde de São João, Government of the Italian Republic (Italy) - Ministry of Health (Italy), Wroclaw Medical University, Institute of Cardiovascular Diseases, University of Greifswald, Clinical Centre of Nis, St Olavs Hospital, Charité–Universitätsmedizin Berlin, Lund University, Institute of Cardiovascular Diseases and Independent

University of Greifswald - University Medicine Greifswald, - 4th Department of Internal Medicine, Université de Versailles Saint-Quentin, Autonomous University of Barcelona - Department of Medecine, Hacettepe University, Bambino Gesù Children's Hospital, University of Groningen - University Medical Center Groningen, Nemocnica Bory - Penta Hospitals, University of Zagreb, University of Antwerp, Institute of Cardiovascular Diseases, University of Greifswald - University Medicine Greifswald, University of Helsinki - Helsinki University Central Hospital, Université de Tours, University of Southern Denmark, North-West State Medical University, Lund University, University of Ostrava - University Hospital Ostrava, Medical University of Lublin, Grande Ospedale Metropolitano Niguarda, Guy's and St Thomas' NHS Foundation Trust, University of Basel - University Hospital Basel, Government of Portugal - Unidade Local de Saúde de São João, Government of the Italian Republic (Italy) - Ministry of Health (Italy), Wroclaw Medical University, Institute of Cardiovascular Diseases, University of Greifswald - University Medicine Greifswald, Clinical Centre of Nis, St Olavs Hospital, Charité–Universitätsmedizin Berlin, Hospital Universitari Vall d'Hebron of Barcelona, University of Greifswald - University Medicine Greifswald and Independent

affiliation not provided to SSRN, affiliation not provided to SSRN, Royal Melbourne Hospital - Intensive Care Unit, McMaster University, University of Sydney - George Institute for Global Health, King Saud Bin Abdulaziz University for Health Sciences - College of Medicine, Ministry of Health, Kuwait - Kuwait Extracorporeal Life Support Program, McMaster University - Department of Health Research Methods, Evidence, and Impact (HEI), affiliation not provided to SSRN, Guy's and St Thomas' NHS Foundation Trust, University of Ottawa - Ottawa Hospital Research Institute, Hamilton Health Sciences, Kingston General Hospital, University of Ottawa - Ottawa Hospital Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Monash University, affiliation not provided to SSRN, affiliation not provided to SSRN, McMaster University, University of Manitoba, Western University, University of Western Ontario - London Health Sciences Centre, North York General Hospital, University of Toronto - Unity Health Toronto, affiliation not provided to SSRN, University of Toronto - Interdepartmental Division of Critical Care Medicine, affiliation not provided to SSRN, University of Toronto - Leslie Dan Faculty of Pharmacy, affiliation not provided to SSRN and McMaster University

Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Georg-August University Göttingen - University Medical Center Göttingen (UMG), Guy's and St Thomas' NHS Foundation Trust, Georg-August University Göttingen - University Medical Center Göttingen (UMG), Guy's and St Thomas' NHS Foundation Trust, King’s College London - Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, Georg-August University Göttingen - University Medical Center Göttingen (UMG) and University of Milan