University of Bristol, Bristol, England. Peter Munk Cardiac Centre at University Health Network, Toronto, Ontario, Canada. University of Toronto, Toronto, Ontario, Canada. University of Oxford, Oxford, England. NHS Blood and Transplant, Oxford, England. University of Pittsburgh, Pittsburgh, Pennsylvania. Monash University, Melbourne, Victoria, Australia. Monash Health, Melbourne, Victoria, Australia. Intensive Care National Audit and Research Centre (ICNARC), London, England. Imperial College London, London, England. Berry Consultants, Austin, Texas. University of Manitoba, Winnipeg, Canada. King Saud bin Abdulaziz University for Health Sciences and King Abdullah International Medical Research Center, Riyadh, Saudi Arabia. Hospital Raymond Poincaré (Assistance Publique Hôpitaux de Paris), Garches, France. Université Versailles SQY-Université Paris Saclay, Montigny-le-Bretonneux, France. University Medical Center Utrecht, Utrecht, the Netherlands. St Michael's Hospital Unity Health, Toronto, Ontario, Canada. Flinders University, Bedford Park, South Australia, Australia. Jena University Hospital, Jena, Germany. Global Coalition for Adaptive Research, Los Angeles, California. Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. Institut du Savoir Montfort, Ottawa, Ontario, Canada. Alfred Health, Melbourne, Victoria, Australia. Yong Loo Lin School of Medicine, National University of Singapore, Singapore. University of Antwerp, Wilrijk, Belgium. University of Oxford, Bangkok, Thailand. National Intensive Care Surveillance (NICST), Colombo, Sri Lanka. Medical Research Institute of New Zealand (MRINZ), Wellington, New Zealand. UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania. Kings Healthcare Partners, London, England. The University of Tokyo, Tokyo, Japan. Université de Sherbrooke, Sherbrooke, Québec, Canada. Fiona Stanley Hospital, Perth, Western Australia, Australia. University of Western Australia, Perth, Australia. Queen's University Belfast, Belfast, Northern Ireland. Royal Victoria Hospital, Belfast, Northern Ireland. Auckland City Hospital, Auckland, New Zealand. Radboud University Medical Center, Nijmegen, the Netherlands. Middlemore Hospital, Auckland, New Zealand. University of British Columbia, Vancouver, Canada. University College Dublin, Dublin, Ireland. University of Auckland, Auckland, New Zealand. Universidad de La Sabana, Chia, Colombia. Clinica Universidad de La Sabana, Chia, Colombia. St Marianna University School of Medicine, Yokohama City Seibu Hospital, Yokohama, Japan. Hospital Israelita Albert Einstein, Sao Paulo, Brazil. King's College London, London, England. Guy's and St Thomas' NHS Foundation Trust, London, England. Université Laval, Québec City, Québec, Canada. CHU de Québec-Université Laval Research Center, Québec City, Québec, Canada. Harbor-UCLA Medical Center, Torrance, California. St John of God Hospital, Subiaco, Western Australia, Australia. Imperial College Healthcare NHS Trust, St Mary's Hospital, London, England.