Department of Emergency and Disaster Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan

Department of Anesthesiology, Critical Care, and Surgery, Duke University School of Medicine, Durham, NC

Department of Medicine, University College London Hospitals NHS Foundation Trust, London, United Kingdom, and Department of Medicine and Cardio-Metabolic Programme-NIHR UCLH/UCL BRC, London, United Kingdom

Hematology Division Brigham and Women’s Hospital, Harvard Medical School, Boston, MA

Department of Haematology, Manchester Royal Infirmary, Manchester, United Kingdom

Dr. Connors received funding from Abbott, Bristol-Myers Squibb, and Portola. The remaining authors have disclosed that they do not have any potential conflicts of interest.