Yao, Hui
Deng, Yiwen
Du, Guanhuan
Wang, Yufeng
Tang, Guoyao
Article History
Received: 9 November 2020
Accepted: 2 June 2021
First Online: 16 June 2021
Declarations
:
: This study protocol was approved by the Ethics Committee of Shanghai Ninth People’s Hospital (No. 2016–1). Informed consents were waived due to its retrospective observational nature. The study adhered to relevant guidelines and regulations.
: Not applicable. No personal information was provided in this paper.
: The authors reported no competing interests.