Funding for this research was provided by:
Joint Funds for the Innovation of Science and Technology, Fujian Province (2017Y9061)
Received: 12 November 2020
Accepted: 26 December 2020
First Online: 13 January 2021
Ethical approval and consent to participate
: Although patient consent was not specifically obtained for this analysis, all information was retrospectively extracted in the context of compliance with the ethical standards of the institutional and/or national research committees and with the principles of the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Patient medical records were analyzed retrospectively, with no individual patient identifiable information used. Thus, the Fujian Medical University Union Hospital Ethics Review Board deemed patient consent unnecessary.
: The manuscript has been approved by all authors for publication.
: All authors have no conflicts of interest to declare.