Funding for this research was provided by:
Science and Technology Service Network Plan (2018YFC1312803)
Guangdong Province (2020JGXM025)
Received: 6 December 2020
Accepted: 26 February 2021
First Online: 10 March 2021
: The MIMIC-IV database was approved by the Massachusetts Institute of Technology (Cambridge, MA) and Beth Israel Deaconess Medical Center (Boston, MA), and consent was obtained for the original data collection.
: The authors declare that they have no competing interests.