Wang, Lei
Zhao, Yun-Tao
Article History
Received: 19 January 2022
Accepted: 19 July 2022
First Online: 6 August 2022
Declarations
:
: This study was conducted at the Aerospace Centre Hospital (a tertiary hospital in Beijing, China) and was subject to approval from the Aerospace Centre Hospital Ethics Committee. The research has been performed in accordance with the Declaration of Helsinki. We confirm that all methods were performed in accordance with relevant guidelines and regulations. The Aerospace Centre Hospital Ethics Committee approved that written informed consent was waived due to the use of anonymous retrospective data.
: Not applicable.
: The authors declared no potential conflicts of interest with respect to the research, author- ship, and/or publication of this article.