Non-Profit Organization ICU Collaboration Network (ICON), 2-15-13 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan

Keibun Liu

Critical Care Research Group, The Prince Charles Hospital, Brisbane, Australia

Keibun Liu

Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia

Keibun Liu

Department of Critical Care Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS), Rae Bareli Road, Lucknow, India

Mohan Gurjar

Hospital Israelita Albert Einstein, São Paulo, SP, Brazil

Ricardo Kenji Nawa

Department of Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Chi Ryang Chung

Department of Critical Care Medicine, Yokohama City University Hospital, 3-9, Fukuura, Kanazawa-Ku, Yokohama, Kanagawa, 236-0004, Japan

Kensuke Nakamura

Study conception and design: KL. Statistical analysis, or interpretation of data: KL. Drafting the manuscript: KL, MG, RKN, CRC, and KN. Critical review and revision of the manuscript for important intellectual insight: MG, RKN, CRC, and KN. Study supervision: KN. All authors drafted the manuscript for important intellectual content, contributed to the revision of the final version of the manuscript, approved the final version submitted, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. MG, RKN, CRC, and KN are the guarantors of the study. The corresponding author confirmed that all authors meet authorship criteria according to ICMJE.

Correspondence to Keibun Liu.