Funding for this research was provided by:
Leading Talent of Yuling Industrial Technology
Received: 1 July 2020
Accepted: 10 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: This study was approved by Xinqiao Hospital, Army Medical University Ethics Committee, The Ethics Committee waived the need for written consent as this was a retrospective study using deidentified registry data.
: Not applicable.
: The authors declare that they have no competing interests.