Funding for this research was provided by:
science and technology program of Sichuan province (22KJPX0238)
College Students' innovative entrepreneurial training plan program (C2023122969)
Article History
Received: 1 June 2023
Revised: 14 September 2023
Accepted: 21 September 2023
First Online: 29 September 2023
Declarations
:
: This retrospective study was approved by the Ethics Committee West China Hospital, Sichuan University (approval no. 2019-73).
: The authors declare no competing interests.