Funding for this research was provided by:
Hospital Funded Clinical Research, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (15LC02)
Hospital Funded Clinical Research, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (19XHCR17D)
Health and Family Planning Commission of Sichuan Province (201640193)
Article History
Received: 18 May 2022
Accepted: 3 August 2022
First Online: 14 September 2022
Declarations
:
: Funding for this study was provided by Hospital Funded Clinical Research, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine [15LC02; 19XHCR17D], and Project of Shanghai Municipal Commission of Health and Family Planning [201640193]. This funding source had no role in the design, practice, or analysis of this study.
: Ethical approval was obtained from the institutional ethics board of Xinhua Hospital, affiliated with Shanghai Jiaotong University School of Medicine, and the study conforms to the provisions of the Declaration of Helsinki (Approval No. XHEC-D-2022-089).
: The requirement for informed consent was waived by the institutional ethics board owing to the retrospective nature of the study.