Funding for this research was provided by:
the National Key R&D Program of China (2017YFC1309301, 2017YFC1309300)
the CAMS Innovation Fund for Medical Sciences (CIFMS 2018-I2M-1–003)
the National Science Grant for Distinguished Young Scholars (81425001/H0104)
Received: 28 February 2021
Accepted: 11 August 2021
First Online: 19 August 2021
: Permission for using the raw data and the isolates for research purposes was approved by the Ethics Committee of the China-Japan Friendship Hospital (2019–164-K113). Because of the retrospective nature of this study, informed consent is not needed. The data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.