Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; Critical care unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK. Electronic address: g.d.perkins@warwick.ac.uk.; Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; Critical care unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.

Department of Mechanical Engineering, San Diego State University, San Diego, CA 92182, USA

Department of Quality Management, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China.; Reproductive Center of Urology Department, The 906th Hospital of PLA Joint Logistics Support Force, Ningbo, Zhejiang, China.; Department of Epidemic Prevention, No. 92371 Unit Hospital of PLA, Fuding, Fujian, China.; Department of Medical Education, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China.

[Cogan, Elie] CHIREC Hosp, Dept Internal Med, Brussels, Belgium; [Cogan, Elie; De Backer, Daniel] Univ Libre Bruxelles ULB, Brussels, Belgium; [Foulon, Pierre; De Backer, Daniel] CHIREC Hosp, Dept Intens Care, Brussels, Belgium; [Cappeliez, Olivier] CHIREC Hosp, Dept Radiol, Brussels, Belgium; [Dolle, Nicole] CHIREC Hosp, Dept Biochem, Brussels, Belgium; [Vanfraechem, Gaelle] CHIREC Hosp, Dept Infect Dis, Brussels, Belgium

University of Pittsburgh, Pittsburgh, USA.; California Institute of Technology, Pasadena, USA.

KU Leuven Public Governance Institute Parkstraat 45 P.O.Box 3609, 3000 Leuven Belgium.; Radboud University Nijmegen, Institute for Management Research P.O.Box 9108 6500 HK Nijmegen The Netherlands.

CMAJ.

南京中医药大学附属医院

EM Normandie Business School, Metis Lab, Paris, France.; EDC Paris Business School, OCRE Lab, Paris, France.; Institut Mines-Telecom Business School, Evry, France.; Artificial Intelligence and Information Systems Research Group, School of Computing, Engineering and Digital Technologies, Teesside University, Middlesbrough, United Kingdom.; Parthenope University of Naples, Italy, Department of Management Studies & Quantitative Methods and Paris School of Business, France.

Unit of Clinical Chemistry, Department of Medical Laboratory Science, University College Hospital, Ibadan, Nigeria.; Unit of Clinical Chemistry, Department of Medical Lab Science, Lead City University, Ibadan, Nigeria.; ICAP at Columbia University, Abuja, Nigeria.