Funding for this research was provided by:
Construction Project of Fujian Medical Center of Hematology (Min201704)
Startup Fund for scientific research, Fujian Medical University (2019QH1032)
Received: 24 November 2020
Accepted: 23 March 2021
First Online: 1 April 2021
: The study was approved by the Ethics Committee of Fujian Medical University Union Hospital (No. 2020ky043) and waived the requirement for informed consent because the analysis was retrospective.
: Not applicable.
: The authors declare that they have no competing interests.