Funding for this research was provided by:
National Natural Science Foundation of China (No. 81770244)
Science and Technology Commission of Shanghai Municipality (No. 17ZR1439100)
Received: 24 August 2020
Accepted: 1 June 2021
First Online: 9 July 2021
: The authors are 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. This study utilized the anonymous data available in the eICU database with pre-existing institutional review board approval.
: Not applicable.
: The authors declare that they have no competing interests.