Funding for this research was provided by:
National Natural Science Foundation of China (81771331)
China Postdoctoral Science Foundation (No.2019 M653292)
Natural Science Foundation of Guangdong Province of China (2017A030313595)
Science and Technology Program of Guangzhou (201707010370)
the Young innovative talents project fund of Guangdong Provincial Department of Education (No. 2018KQNCX013)
Received: 1 April 2020
Accepted: 25 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Institutional Ethics Committee of the First Affiliated Hospital of Jinan University. Informed consent was waivered due to the retrospective and non-interventional nature of this analysis.
: Written informed consents for publication were obtained from all participants.
: The authors declare that they have no competing interests.